Implemented batch Streams::leave and Streams::unsubscribe
Implemented batch Streams::leave and Streams::unsubscribe

Qbix/Platform,AndreyTepaykin/Platform,EGreg/Platform,Qbix/Platform,jkokh/Platform,AndreyTepaykin/Platform,EGreg/Platform,EGreg/Platform,Qbix/Platform,jkokh/Platform,Qbix/Platform,AndreyTepaykin/Platform,casualuser/Qbix,casualuser/Qbix,casualuser/Qbix,jkokh/Platform,EGreg/Platform,AndreyTepaykin/Platform,casualuser/Qbix,jkokh/Platform