Merge pull request #49 from epalace510/master

Fixed some syntax errors in friendship handling. Also added fields and
Merge pull request #51 from epalace510/master

Fixed a database call in remove friend which led to incorrect associations.
Adding friends

-Adding friends feature now works
-Added informative responses to whether or not friend was added
Fixed bugs in removing friends function, error handling etc.
Merge pull request #55 from EddieSpencer/master

Fixed remove friends bug, error handling, etc
Correctly format jsons when attempt to remove nonexistant friend