Merge pull request #66 from SalmaKhater/master

SWP-734: Fixed Different updates shouldn't have duplicate rev number test case
Changes Pubsub response on buffer errors, to send a new BindingError, instead of reGet message
Merge pull request #68 from tabdulradi/bug-wrong-rev-for-multiple-updates

Pubsub Binding Failed Error
SWP-735: Fixed Errors happened if server receives more than one operation on array field and add new cmds PushAll and PullAll
Merge branch 'master' of github.com:cloud9ers/syncro