* Implemented workspace symbol search
* Fixed missing TextEdit using declaration
* Fixed generating uri when parsing next file.
* Cleaned up code. Fixed tests
* Fixed PHPDoc for LanguageServer::initialize()
* Moved utility functions to utils.php
* Added tests for pathToUri and findFilesRecursive
* Added command line argument for socket communication
* Fixed local variable detection and containerName generation in SymbolFinder
* Fixed formatting in ProtocolStreamReader
* Store text content in PHPDocument, removed stmts, regenerate on demand
* Fixed local variable detection and containerName generation in SymbolFinder.
* Added Tests for Project and Workspace
* Added test for didChange event
* Modified lexer error handling
* Removed file that shouldn't have been committed.
* Updated sabre/event dependency to 4.0.0
* Updated readme.md to show tcp option
* make input stream non-blocking
* Correct code style
* Use triple equals
* Revert change in SymbolFinder
* Optimize processFile() a bit
* Use MessageType enum instead of number literal
* Add missing space
* Fixed ProtocolStreamWriter for nonblocking connection.
* Suppress fwrite() notice when not all bytes could be written.
* Fix another code style issue
* Throw Exceotion instead of Error
* Added ProtocolStreamWriter test
* Correct workspace/symbol documentation
* Improve exception in ProtocolStreamWriter::write()