Fixes ObjC session id bug

Fixes ObjC API not sending session id

Swift 3 and ZelloWork

• Updated Swift library to use Swift 3
• Fixed test across all libraries
• Replace "Zello for Work" with "ZelloWork"

Initial Release

This release includes five client libraries, PHP, Swift, Objective C, Java and C#. In addition, we are offering our Swift and Objective C libraries available as CocoaPods.