Minor refactoring.
Started implementing file transfer support.
File checking works now.
Basic support for sending files (partially).
File transfer implementation was removed since there the program will use another protocol for sending files.
Minor refactoring.
Added support for setting c4 time. If the bomb is planted, remaining time is set to c4 time. Also added support for a few new sounds.
Commentator will now stop playing the current audio file and play the asked file immediately.