Refactored code for new extension.
Refactored code.
Added ability to load users from persists storage.
Added internationalization messages.
Added valid data key.
Refactored code.
Changed built in json encode/decode functions to yii json helper.
Fixed user init process.
Added yii logger.
Removed test user methods.
Added ability to set user properties from client request. Can be used for non auth users chat.
Added ability to add new user for non auth user chat.
Updated localization.
Added ability to use different chat rooms by one user.