Add exports

pom.xml

@@ -4,7 +4,7 @@
     <groupId>it.cavallium</groupId>
     <artifactId>filequeue</artifactId>
     <name>file queue project</name>
-    <version>3.1.12</version>
+    <version>3.1.13</version>
     <packaging>jar</packaging>
     <description>Light weight, high performance, simple, reliable and persistent queue</description>
     <modelVersion>4.0.0</modelVersion>

src/main/java/module-info.java

@@ -1,2 +1,3 @@
 module filequeue {
+    exports it.cavallium.filequeue;
 }