Merge alpha into master (async, huge bugfixes and more) (#546)
* Implement async and lots of bugfixes
* Implement more async
* Implement async, implement bugfixes for the connection module, for the datacenter module, huge bugfixes, huge perfomance improvements, media DCs for https, advanced selecting, custom var_dump, totally rewritten IOLoop and response mechanism, promises, improvements to the TL parser, custom mb_substr
* Apply fixes from StyleCI
* Bugfixes
* Apply fixes from StyleCI
* Bugfixes, implement combined promises
* Apply fixes from StyleCI
* Support passing method arguments as callable
* Starting to write async upload logic
* Apply fixes from StyleCI
* Start implementing async file upload
* Apply fixes from StyleCI
* bugfix
* Apply fixes from StyleCI
* Start rewriting connection module
* Add PHP file docblocks for all classes
* Start working on new async stream API
* Finish writing stream API
* More stream API fixes
* Apply fixes from StyleCI
* Rewrite DataCenter and Connection modules
* Clean up stream API documentation
* Fixes
* Apply fixes from StyleCI
* Add referenced parameter to get length of buffer to read in getReadBuffer API
* Moved all MessageHandler code in the Connection module, added a PHP version warning in the phar
* Start fixing reads
* Fix all protocol stream wrappers
* Apply fixes from StyleCI
* Implement disconnection, and remove end function
* Working async RPC
* Implement async file upload
* Bugfix
* Method recall bugfixes
* Bugfixes
* Trait bugfixes
* Fix FIFO buffer
* Bugfixes and speedtests
* Async logging
* Implement websocket streams
* Implement loop API, signal API, clean closing and start changing layer
* Small magna, websocket and HTTP fixes
* Clean up loop API
* Improved stack traces, 2FA and async
* Login fixes
* Added instructions for manual verification
* Small fixes
* More app info improvements
* More app info improvements
* TL and 2FA fixes
* Update to layer 89
* More bugfixes
* Implement broken media reporting
* Remove debug comments
* PHP 7.2 backwards compatibility
* Bugfixes
* Async key generation
* Some simplifications
* Transport fixes
* Cleanup
* async API
* Performance fixes
* Fixes to async API
* Bugfixes
* Implement one-time async loop
* Authorization and logging fixes
* Update to layer 91
* 7to5 fix
* Null coalesce conversion
* Implement socks5 proxy
* Implement HTTP proxy
* Fixes to HTTP proxy
* MTProxy and socks5 fixes
* Disable PHP 5 conversion
* Proxies have higher priority
* Avoid error handling in vendor
* Override composer dependencies
* Fix travis build
* Final composer fixes
* Proxy logic fixes
* Fix get_updates update handling
* Do not use parallel file driver if not supported
* Refactor loader and implement HTTP fixes
* Suppress errors in loader
* HTTP and authorization fixes
* HTTP fixes
* Improved peer management
* Use HTTP protocol on altervista
* Small bugfixes
* Minor fixes
* Docufix
* Docufix
* Legacy fixes
* Fix message queue
* Avoid updating if using MTProxy
* Improve logs and examples
* Trim final newlines while converting parse mode
* Reimplement noResponse flag
* Async combined event handler and APIFactory fixes
* Actually return config
* Case-insensitive methods
* Bugfix
* Apply fixes from StyleCI (#545)
* MTProxy fixes
* PHP 5 warning
* Improved PHP 5 warning
* Use <br> along with newlines in web logs
* Update docs