diff --git a/.travis.yml b/.travis.yml
index 7001b0ab..81b32439 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,8 @@ jdk:
   - oraclejdk8
 install: mvn install -Dgpg.skip
 script: mvn clean compile test
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
 notifications:
   webhooks: 
     secure: "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"
diff --git a/README.md b/README.md
index 9f96685c..7be2e18f 100644
--- a/README.md
+++ b/README.md
@@ -27,12 +27,12 @@ Just import add the library to your project with one of these options:
     <dependency>
         <groupId>org.telegram</groupId>
         <artifactId>telegrambots</artifactId>
-        <version>2.4.2</version>
+        <version>2.4.3</version>
     </dependency>
 ```
 
-  2. Using Jitpack from [here](https://jitpack.io/#rubenlagus/TelegramBots/v2.4.2)
-  3. Download the jar(including all dependencies) from [here](https://github.com/rubenlagus/TelegramBots/releases/tag/v2.4.2)
+  2. Using Jitpack from [here](https://jitpack.io/#rubenlagus/TelegramBots/v2.4.3)
+  3. Download the jar(including all dependencies) from [here](https://github.com/rubenlagus/TelegramBots/releases/tag/v2.4.3)
 
 In order to use Long Polling mode, just create your own bot extending `org.telegram.telegrambots.bots.TelegramLongPollingBot`.
 
@@ -63,7 +63,7 @@ Once done, you just need to create a `org.telegram.telegrambots.TelegramBotsApi`
 
 ```
 
-For detailed explanation, visite our [How To](HOWTO.md) (thanks Clevero)
+For detailed explanation, visite our [How To](https://github.com/rubenlagus/TelegramBots/wiki/Getting-Started) (thanks Clevero)
 
 
 ## Example bots
diff --git a/TelegramBots.wiki/Changelog.md b/TelegramBots.wiki/Changelog.md
index 24b3bb17..de57c861 100644
--- a/TelegramBots.wiki/Changelog.md
+++ b/TelegramBots.wiki/Changelog.md
@@ -1,4 +1,4 @@
-### <a id="2.4.2"></a>2.4.2 ###
+### <a id="2.4.3"></a>2.4.3 ###
 1. Split library in two modules to allow custom implementations.
 2. Use [Guice](https://github.com/google/guice) for dependency injection.
 3. Use [Jackson](https://github.com/FasterXML/jackson) for json (de)serialization.
@@ -8,4 +8,4 @@
 7. In `SentCallback` method `onError` changed second parameter to `TelegramApiRequestException` and `onResult` now receives the deserialized answer (of type `T`) instead of a `JSONObject` as second parameter
 8. Moved to MIT license
 
-**[[How to update to version 2.4.2|How-To-Update#2.4.2]]**
\ No newline at end of file
+**[[How to update to version 2.4.3|How-To-Update#2.4.3]]**
\ No newline at end of file
diff --git a/TelegramBots.wiki/Getting-Started.md b/TelegramBots.wiki/Getting-Started.md
index ac48aaa6..70fa7a54 100644
--- a/TelegramBots.wiki/Getting-Started.md
+++ b/TelegramBots.wiki/Getting-Started.md
@@ -11,13 +11,13 @@ First you need ot get the library and add it to your project. There are few poss
            <dependency>
               <groupId>org.telegram</groupId>
               <artifactId>telegrambots</artifactId>
-              <version>2.4.2</version>
+              <version>2.4.3</version>
            </dependency>
         ```
     * With **Gradle**:
     
         ```groovy
-          compile group: 'org.telegram', name: 'telegrambots', version: '2.4.2'
+          compile group: 'org.telegram', name: 'telegrambots', version: '2.4.3'
         ```
  
 2. Don't like **Maven Central Repository**? It can also be taken from [Jitpack](https://jitpack.io/#rubenlagus/TelegramBots).
diff --git a/TelegramBots.wiki/How-To-Update.md b/TelegramBots.wiki/How-To-Update.md
index 572218e8..4a745d69 100644
--- a/TelegramBots.wiki/How-To-Update.md
+++ b/TelegramBots.wiki/How-To-Update.md
@@ -1,4 +1,4 @@
-### <a id="2.4.2"></a>To version 2.4.2 ###
+### <a id="2.4.3"></a>To version 2.4.3 ###
 1. Replace `BotOptions` by `DefaultBotOptions`.
 2. At the beginning of your program (before creating your `TelegramBotsApi` instance, add the following line:
     ```java
diff --git a/pom.xml b/pom.xml
index 0292ae79..c0590f52 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <groupId>org.telegram</groupId>
     <artifactId>Bots</artifactId>
     <packaging>pom</packaging>
-    <version>2.4.2</version>
+    <version>2.4.3</version>
 
     <modules>
         <module>telegrambots</module>
@@ -24,6 +24,6 @@
 
     <properties>
         <maven.deploy.skip>true</maven.deploy.skip>
-        <bots.version>2.4.2</bots.version>
+        <bots.version>2.4.3</bots.version>
     </properties>
 </project>
\ No newline at end of file
diff --git a/telegrambots-meta/pom.xml b/telegrambots-meta/pom.xml
index 77529b38..f1c9e77c 100644
--- a/telegrambots-meta/pom.xml
+++ b/telegrambots-meta/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.telegram</groupId>
     <artifactId>telegrambots-meta</artifactId>
-    <version>2.4.2</version>
+    <version>2.4.3</version>
     <packaging>jar</packaging>
 
     <name>Telegram Bots Meta</name>
@@ -23,6 +23,11 @@
         <developerConnection>scm:git:git@github.com:rubenlagus/TelegramBots.git</developerConnection>
     </scm>
 
+    <ciManagement>
+        <url>https://travis-ci.org/rubenlagus/TelegramBots</url>
+        <system>Travis</system>
+    </ciManagement>
+
     <developers>
         <developer>
             <email>rberlopez@gmail.com</email>
@@ -179,6 +184,25 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.7.7.201606060606</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
         <pluginManagement>
             <plugins>
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultArticle.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultArticle.java
index 9c8a3218..ba4e4c41 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultArticle.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultArticle.java
@@ -27,7 +27,7 @@ public class InlineQueryResultArticle implements InlineQueryResult {
     private static final String THUMBHEIGHT_FIELD = "thumb_height";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "article"; ///< Type of the result, must be “article”
+    private final String type = "article"; ///< Type of the result, must be “article”
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(TITLE_FIELD)
@@ -53,7 +53,7 @@ public class InlineQueryResultArticle implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultAudio.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultAudio.java
index fd3d70d9..9cb42c4b 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultAudio.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultAudio.java
@@ -29,7 +29,7 @@ public class InlineQueryResultAudio implements InlineQueryResult {
     private static final String CAPTION_FIELD = "caption";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "audio"; ///< Type of the result, must be "audio"
+    private final String type = "audio"; ///< Type of the result, must be "audio"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result
     @JsonProperty(AUDIOURL_FIELD)
@@ -51,7 +51,7 @@ public class InlineQueryResultAudio implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultContact.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultContact.java
index aa5aafe6..33522758 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultContact.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultContact.java
@@ -30,7 +30,7 @@ public class InlineQueryResultContact implements InlineQueryResult {
     private static final String THUMBHEIGHT_FIELD = "thumb_height";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "contact"; ///< Type of the result, must be "contact"
+    private final String type = "contact"; ///< Type of the result, must be "contact"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(PHONE_NUMBER_FIELD)
@@ -54,7 +54,7 @@ public class InlineQueryResultContact implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultDocument.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultDocument.java
index f9b38a2c..a63f8dc6 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultDocument.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultDocument.java
@@ -33,7 +33,7 @@ public class InlineQueryResultDocument implements InlineQueryResult {
     private static final String THUMBHEIGHT_FIELD = "thumb_height";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "document"; ///< Type of the result, must be "document"
+    private final String type = "document"; ///< Type of the result, must be "document"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(TITLE_FIELD)
@@ -61,7 +61,7 @@ public class InlineQueryResultDocument implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGame.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGame.java
index 7b4cfbfa..04832e8f 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGame.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGame.java
@@ -37,7 +37,7 @@ public class InlineQueryResultGame implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "game"; ///< Type of the result, must be "game"
+    private final String type = "game"; ///< Type of the result, must be "game"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(GAMESHORTNAME_FIELD)
@@ -49,7 +49,7 @@ public class InlineQueryResultGame implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGif.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGif.java
index 660b846e..617a2ccc 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGif.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultGif.java
@@ -28,7 +28,7 @@ public class InlineQueryResultGif implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "gif"; ///< Type of the result, must be "gif"
+    private final String type = "gif"; ///< Type of the result, must be "gif"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(GIFURL_FIELD)
@@ -52,7 +52,7 @@ public class InlineQueryResultGif implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultLocation.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultLocation.java
index 34085786..fa3b973d 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultLocation.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultLocation.java
@@ -30,7 +30,7 @@ public class InlineQueryResultLocation implements InlineQueryResult {
     private static final String THUMBHEIGHT_FIELD = "thumb_height";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "location"; ///< Type of the result, must be "location"
+    private final String type = "location"; ///< Type of the result, must be "location"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(TITLE_FIELD)
@@ -54,7 +54,7 @@ public class InlineQueryResultLocation implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultMpeg4Gif.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultMpeg4Gif.java
index 6e3e38ab..6ee2afce 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultMpeg4Gif.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultMpeg4Gif.java
@@ -28,7 +28,7 @@ public class InlineQueryResultMpeg4Gif implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "mpeg4_gif"; ///< Type of the result, must be "mpeg4_gif"
+    private final String type = "mpeg4_gif"; ///< Type of the result, must be "mpeg4_gif"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(MPEG4URL_FIELD)
@@ -52,7 +52,7 @@ public class InlineQueryResultMpeg4Gif implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultPhoto.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultPhoto.java
index ccfa2796..e9d6490d 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultPhoto.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultPhoto.java
@@ -30,7 +30,7 @@ public class InlineQueryResultPhoto implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "photo"; ///< Type of the result, must be “photo”
+    private final String type = "photo"; ///< Type of the result, must be “photo”
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(PHOTOURL_FIELD)
@@ -58,7 +58,7 @@ public class InlineQueryResultPhoto implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVenue.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVenue.java
index 9b3f3cd1..894e7e29 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVenue.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVenue.java
@@ -31,7 +31,7 @@ public class InlineQueryResultVenue implements InlineQueryResult {
     private static final String THUMBHEIGHT_FIELD = "thumb_height";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "venue"; ///< Type of the result, must be "venue"
+    private final String type = "venue"; ///< Type of the result, must be "venue"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(TITLE_FIELD)
@@ -59,7 +59,7 @@ public class InlineQueryResultVenue implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVideo.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVideo.java
index 23aa4891..30978694 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVideo.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVideo.java
@@ -31,7 +31,7 @@ public class InlineQueryResultVideo implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "video"; ///< Type of the result, must be "video"
+    private final String type = "video"; ///< Type of the result, must be "video"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result
     @JsonProperty(MIMETYPE_FIELD)
@@ -61,7 +61,7 @@ public class InlineQueryResultVideo implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVoice.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVoice.java
index d72748b9..8cab871f 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVoice.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/InlineQueryResultVoice.java
@@ -28,7 +28,7 @@ public class InlineQueryResultVoice implements InlineQueryResult {
     private static final String CAPTION_FIELD = "caption";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "voice"; ///< Type of the result, must be "voice"
+    private final String type = "voice"; ///< Type of the result, must be "voice"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(VOICEURL_FIELD)
@@ -48,7 +48,7 @@ public class InlineQueryResultVoice implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java
index 3413e3de..3478e0ba 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedAudio.java
@@ -27,7 +27,7 @@ public class InlineQueryResultCachedAudio implements InlineQueryResult {
     private static final String CAPTION_FIELD = "caption";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "audio"; ///< Type of the result, must be "audio"
+    private final String type = "audio"; ///< Type of the result, must be "audio"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result
     @JsonProperty(AUDIO_FILE_ID_FIELD)
@@ -43,7 +43,7 @@ public class InlineQueryResultCachedAudio implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java
index 684b3e24..5d0bdbbd 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedDocument.java
@@ -30,7 +30,7 @@ public class InlineQueryResultCachedDocument implements InlineQueryResult {
     private static final String INPUTMESSAGECONTENT_FIELD = "input_message_content";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "document"; ///< Type of the result, must be "document"
+    private final String type = "document"; ///< Type of the result, must be "document"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(TITLE_FIELD)
@@ -50,7 +50,7 @@ public class InlineQueryResultCachedDocument implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java
index 4a3dbe74..9c8e4a75 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedGif.java
@@ -26,7 +26,7 @@ public class InlineQueryResultCachedGif implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "gif"; ///< Type of the result, must be "gif"
+    private final String type = "gif"; ///< Type of the result, must be "gif"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(GIF_FILE_ID_FIELD)
@@ -44,7 +44,7 @@ public class InlineQueryResultCachedGif implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java
index 635e1454..cf840cc4 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedMpeg4Gif.java
@@ -26,7 +26,7 @@ public class InlineQueryResultCachedMpeg4Gif implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "mpeg4_gif"; ///< Type of the result, must be "mpeg4_gif"
+    private final String type = "mpeg4_gif"; ///< Type of the result, must be "mpeg4_gif"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(MPEG4_FILE_ID_FIELD)
@@ -44,7 +44,7 @@ public class InlineQueryResultCachedMpeg4Gif implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java
index 388e1cd5..b15b5146 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedPhoto.java
@@ -27,7 +27,7 @@ public class InlineQueryResultCachedPhoto implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "photo"; ///< Type of the result, must be “photo”
+    private final String type = "photo"; ///< Type of the result, must be “photo”
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(PHOTOFILEID_FIELD)
@@ -47,7 +47,7 @@ public class InlineQueryResultCachedPhoto implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java
index f23a9400..b19f313a 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedSticker.java
@@ -26,7 +26,7 @@ public class InlineQueryResultCachedSticker implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "sticker"; ///< Type of the result, must be "sticker"
+    private final String type = "sticker"; ///< Type of the result, must be "sticker"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(STICKER_FILE_ID_FIELD)
@@ -40,7 +40,7 @@ public class InlineQueryResultCachedSticker implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java
index 7cb46bff..c0a526fb 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVideo.java
@@ -27,7 +27,7 @@ public class InlineQueryResultCachedVideo implements InlineQueryResult {
     private static final String REPLY_MARKUP_FIELD = "reply_markup";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "video"; ///< Type of the result, must be "video"
+    private final String type = "video"; ///< Type of the result, must be "video"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result
     @JsonProperty(VIDEO_FILE_ID_FIELD)
@@ -47,7 +47,7 @@ public class InlineQueryResultCachedVideo implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java
index 700f8f3b..5a3539d2 100644
--- a/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java
+++ b/telegrambots-meta/src/main/java/org/telegram/telegrambots/api/objects/inlinequery/result/chached/InlineQueryResultCachedVoice.java
@@ -28,7 +28,7 @@ public class InlineQueryResultCachedVoice implements InlineQueryResult {
     private static final String CAPTION_FIELD = "caption";
 
     @JsonProperty(TYPE_FIELD)
-    private static final String type = "voice"; ///< Type of the result, must be "voice"
+    private final String type = "voice"; ///< Type of the result, must be "voice"
     @JsonProperty(ID_FIELD)
     private String id; ///< Unique identifier of this result, 1-64 bytes
     @JsonProperty(VOICE_FILE_ID_FIELD)
@@ -46,7 +46,7 @@ public class InlineQueryResultCachedVoice implements InlineQueryResult {
         super();
     }
 
-    public static String getType() {
+    public String getType() {
         return type;
     }
 
diff --git a/telegrambots/pom.xml b/telegrambots/pom.xml
index fbbf2e76..a7f7e6a4 100644
--- a/telegrambots/pom.xml
+++ b/telegrambots/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.telegram</groupId>
     <artifactId>telegrambots</artifactId>
-    <version>2.4.2</version>
+    <version>2.4.3</version>
     <packaging>jar</packaging>
 
     <name>Telegram Bots</name>
@@ -23,6 +23,11 @@
         <developerConnection>scm:git:git@github.com:rubenlagus/TelegramBots.git</developerConnection>
     </scm>
 
+    <ciManagement>
+        <url>https://travis-ci.org/rubenlagus/TelegramBots</url>
+        <system>Travis</system>
+    </ciManagement>
+
     <developers>
         <developer>
             <email>rberlopez@gmail.com</email>
@@ -60,7 +65,7 @@
         <json.version>20160810</json.version>
         <jackson.version>2.8.5</jackson.version>
         <commonio.version>2.5</commonio.version>
-        <bots.version>2.4.2</bots.version>
+        <bots.version>2.4.3</bots.version>
     </properties>
 
     <dependencyManagement>
@@ -139,7 +144,6 @@
             <version>2.24</version>
             <scope>test</scope>
         </dependency>
-
     </dependencies>
 
     <build>
@@ -232,6 +236,25 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.7.7.201606060606</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
         <pluginManagement>
             <plugins>
diff --git a/telegrambots/src/test/java/org/telegram/telegrambots/TestRestApi.java b/telegrambots/src/test/java/org/telegram/telegrambots/TestRestApi.java
index 24e9e8b1..4ae43859 100644
--- a/telegrambots/src/test/java/org/telegram/telegrambots/TestRestApi.java
+++ b/telegrambots/src/test/java/org/telegram/telegrambots/TestRestApi.java
@@ -108,7 +108,7 @@ public class TestRestApi extends JerseyTest {
 
         assertEquals("{\"inline_query_id\":\"id\",\"results\":[{\"@class\":\"org." +
                 "telegram.telegrambots.api.objects.inlinequery.result.InlineQueryResultArticle\"," +
-                "\"id\":\"0\",\"title\":\"Title\",\"input_message_content\":{\"@class\":\"org." +
+                "\"type\":\"article\",\"id\":\"0\",\"title\":\"Title\",\"input_message_content\":{\"@class\":\"org." +
                 "telegram.telegrambots.api.objects.inlinequery.inputmessagecontent." +
                 "InputTextMessageContent\",\"message_text\":\"Text\",\"parse_mode\":\"Markdown\"}," +
                 "\"reply_markup\":{\"@class\":\"org.telegram.telegrambots.api.objects.replykeyboard" +
@@ -117,7 +117,7 @@ public class TestRestApi extends JerseyTest {
                 "\"Button1\",\"callback_data\":\"Callback\"}]]},\"url\":\"Url\",\"hide_url\":false," +
                 "\"description\":\"Description\",\"thumb_url\":\"ThumbUrl\",\"thumb_width\":10," +
                 "\"thumb_height\":20},{\"@class\":\"org.telegram.telegrambots.api.objects." +
-                "inlinequery.result.InlineQueryResultPhoto\",\"id\":\"1\",\"photo_url\":\"PhotoUrl" +
+                "inlinequery.result.InlineQueryResultPhoto\",\"type\":\"photo\",\"id\":\"1\",\"photo_url\":\"PhotoUrl" +
                 "\",\"mime_type\":\"image/jpg\",\"photo_width\":10,\"photo_height\":20,\"thumb_url" +
                 "\":\"ThumbUrl\",\"title\":\"Title\",\"description\":\"Description\",\"caption\":" +
                 "\"Caption\",\"input_message_content\":{\"@class\":\"org.telegram.telegrambots." +