Fix URL error
Added session Controller
Session Code, still IP

a lot happened lol:

http://ruby.railstutorial.org/book/ruby-on-rails-tutorial#sec-current_user
Sessions helper function
Merge remote-tracking branch 'origin/master' into views

Conflicts:
	db/development.sqlite3
Merge branch 'views' of https://github.com/PulledPork/write into views