working on retry logic in case of malformed JSON
Completed Asana tasks:
* CL-1252 (in theory, there is no concrete steps to reproduce this issue)
Completed Asana tasks:
* CL-1252
* working on memory leaks elimination
Fixed issue from github:
* 193
* tested and adjusted incomplete JSON response handling fix
Merge branch 'master' into CL-1252

Conflicts:
	objective-c/3.4/pubnub/libs/PubNub/Core/PubNub.m
Merge pull request #198 from pubnub/CL-1252

Cl 1252