Created a check that only allows alphabetic nicknames and under the length of 12.
Programmers: Tobias
GUI Final version bug free. 

Programmer : Raul Stelescu
Added timer to disconnect user if he is inactive for more than 15 mins.
Programmers: Tobias
GUI Final version bug free. 

Programmer : Raul Stelescu
Added one more chatclient test, tried to catch overflow in clienthandler
Programmers: Tobias
Added more tests for the client
Programmers: Tobias
Merge branch 'GUIfinalBranch' into Timer