Small refactor.
Contact list stuff refactored.
CTelegramStream: Added TLInputFileLocation operator<<().
TLTypes: TLUploadFile registered as metatype. (To be used in signal/slots).
CTelegramConnection: send{Plain,Encrypted}Package() now returns messageId.
CTelegramConnection: Implemented (low-level) getFile() method.
Big refactor. API changed.

Introduced CTelegramDispatcher as Telegram Connections dispatcher.

CTelegramCore changed to reduce Telegram internals exposing.
Implemented initial support for contact avatars.