Added part of 1.0 player support (tested println to console and left button)
IP/Ping support for 1.0
Velocity support for 1.0, Cmd_AddCommand/AddServer/SendServer support for 1.0/1.3
Added execute string (cod2 1.0, 1.2, 1.3 and cod4 1.7)
Credits goes to Selbie (http://killtube.org/showthread.php?1558-Cmd_ExecuteString-execute-tell-say-etc-from-gsc)
Merge branch 'master-mitch'

Conflicts:
	gsc.cpp