getUnreadSMS(), getReadSMS(), getUnreadVoicemail(), getReadVoicemail() all now return complete JSON objects instead of arrays of strings. Added function addNote() to add a note to a Google Voice message. Updated the README to include the attributes of the JSON objects.
Added documentation to the remaining undocumented class methods
Added a removeNote method to remove a note from a message or voicemail.
Updated the README for better clarity on JSON objects.
Merge pull request #5 from rhodey/master

Last big push