Merge pull request #8 from VitSalis/master

Pull request 6
Merge pull request #9 from VitSalis/master

Remove unnesecary if
Make SESSION[ 'user' ] an object, make models/user.php a dependencie
Merge pull request #12 from VitSalis/session_user_object

Make SESSION[ 'user' ] an object, make models/user.php a dependency
Add migration scripts for follows table and changed db schema
Buggy version of followers feature. Add args method on form class
Remove the args method from form, complete follow feature
Add delete on models/follow.php
Add dbInit()
Add function init on controller base
Add enviroment variable
Fix grammatical mistake
Display more errors
Remove config from header
Add redirect on follow->delete()
Make follow model have the whole user object instead of just the id
Remove auto_increment from db schema
Merge pull request #13 from VitSalis/followers_feature

Followers feature
Fix XSS on helpers/html.php
Merge pull request #14 from VitSalis/fix_xss

Fix XSS on helpers/html.php