Feather specific implementation is now in master

Merge branch 'release/2.0.0'

Conflicts:
	ActiveCollab/Client.php
	ActiveCollab/Connector.php
	ActiveCollab/Connectors/Curl.php
	ActiveCollab/Connectors/Snoopy.php
	ActiveCollab/Exception.php
	ActiveCollab/Exceptions/AppException.class.php
	ActiveCollab/Exceptions/AppException.php
	ActiveCollab/Exceptions/CallFailed.class.php
	ActiveCollab/Exceptions/CallFailed.php
	ActiveCollab/Exceptions/FileNotReadable.class.php
	ActiveCollab/Exceptions/FileNotReadable.php
	ActiveCollab/Exceptions/WrapperNotInitialized.class.php
	ActiveCollab/Exceptions/WrapperNotInitialized.php
	ActiveCollab/autoload.php
	README.md
	composer.json
	src/ActiveCollab/SDK/Exceptions/AppException.php
	src/ActiveCollab/SDK/Exceptions/CallFailed.php
	src/ActiveCollab/SDK/Exceptions/FileNotReadable.php
	src/ActiveCollab/SDK/Exceptions/WrapperNotInitialized.php