Added cvar fetch support

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#1 Added cvar fetch support

Status: open

Owner: nobody

Labels: None

Priority: 5

Updated: 2012-09-14

Created: 2007-02-14

Private: No

I've attached a patch with added support to fetch cvars from server.
The SRCDS class are extended with a .cvar property and is very simple to use:

ds = SRCDS(host="xxx", rconpass="xxx")
print ds.cvar("mp_friendlyfire")