Login gui made and working.
man screen seggestion
small changes
Added library for connection to database. Created class for connection to database with placeholder methods for basic functionallity.
Merge branch 'master' of github.com:Gruppe01/EXPHIL03 into persistence-initial
Added library for joining strings. Added functionality for inserting into, updating and deleting database.
Added functionality to MySQLConnection.
Added select function. Created tests for MySQLConnection.
Bettered MySQLConnection.
Now possible to user ORDER, LIMIT etc.
100% cover rate on test.
Removed exception throws from sql functions.
Fixed phone pattern.
Merge pull request #11 from Gruppe01/persistence-initial

Added functionality for connection to database
Merge pull request #12 from Gruppe01/model-person

Fixed phone pattern.
Merge branch 'master' of https://github.com/Gruppe01/EXPHIL03 into gui-login
Merge branch 'master' of https://github.com/Gruppe01/EXPHIL03 into gui-Mainscreen
Removed the main method.
Removed main method.
Cleaned test code.
Added external user.
Added class for external user. Moved common fields and methods to user super group.
Updated UserTest to test the new class.
Merge pull request #13 from Gruppe01/model-person

External user.
Added room class.