Prevent creating and updating accounts with existing usernames or passwords
Merge pull request #32 from onurv12/master

Fix for issue 31
Merge pull request #28 from boom1992/master

Add methods to update users of projects in backend
Hash the passwords for login and registration in the frontend
Merge pull request #34 from onurv12/master

Fix issue #33
Merge remote-tracking branch 'upstream/master'