Update README.md for CocoaPods
Merge pull request #64 from tualatrix/master

CocoaPods' dependency is deprecated
Supports adding parts with NSNumber.
Merge pull request #68 from hwaxxer/number-support

Supports adding parts with NSNumber.
Merge branch 'release/1.2.3'
Merge branch 'release/1.2.3'
Fixed Crash when the scope string is NSNull
some none ARC compatible code was left in the debug part
added an addAcccount method
added some helper methods when we have a token but not client
v1.2.5
Merge branch 'master' into develop
bump version
add some notes about contributing and perfer cocoapods
Merge branch 'release/1.2.6' into develop