Changed __block keyword to __weak for blockSafeSelfs as using ARC
Changed strong property to copy for all NSString properties as it has a mutable subclass
Bug fixes around error messages
Added additional error catching for incorrect size public/private keys during OpenSSL DH negotiation
Updated Known Issues, Changelog
Added Misc Notes
Added workaround to retain GCD queues in iOS 5
Added workaround to retain GCD queues in iOS 5
Switched GCD queues to global queues
Updated changelog
Updated features