Unmanaged error case
Removed unneeded files
Cleanup
Mark user as disconnected only if last connection closed
Title as param in options creation
Server improvements :
 - Loading all MTG data at boot (it's far faster than later)
 - Begining of standardisation in server log messages
 - ALL limited boosters repaired
 - Cards & Extensions code cleanup
Better small "disconnected" icon
Less useless debug + "connected" status icon for tournament registered players