Merge pull request #2 from britneyroar/Home_page

Home page and Tweeting
Login/logout/signup complete
Merge branch 'master' of https://github.com/britneyroar/twatter
Fixed error on line 38. Was passing user_id instead of the user itself.
Merge pull request #4 from britneyroar/Validations

Added User Validations
Merge pull request #3 from britneyroar/Home_page

Fixed error on line 38. Was passing user_id instead of the user itself.
Removed broken code. Exclusion did not work.