String check for null, "", or "null".
A couple Handler/Threading additions to ThreadingUtils.
Commenting fixes in JSONHelper
Added String array parsing to JSONHelper
Added simple Wrapper class for wrapping other objects and allowing set/get.
Merge branch 'master' of github.com:Raizlabs/RZAndroidBaseUtils into JM-SoftReferenceEvent

# By Dylan James
# Via Dylan James
* 'master' of github.com:Raizlabs/RZAndroidBaseUtils:
  Added simple Wrapper class for wrapping other objects and allowing set/get.
  Added String array parsing to JSONHelper
  Commenting fixes in JSONHelper
  A couple Handler/Threading additions to ThreadingUtils.
  String check for null, "", or "null".