- Introduce new NET_CompareBaseAdrMask for easy comparison of ip address ranges

- Overhaul of the new banning functions:
  * basic check for redundant bans/exceptions
  * introduction of sv_banFile to make it possible to configure the file where to read bans and exceptions from
  * bans can now be deleted by giving address ranges, too.

code/server/sv_main.c

@@ -57,6 +57,7 @@ cvar_t	*sv_pure;
 cvar_t	*sv_floodProtect;
 cvar_t	*sv_lanForceRate; // dedicated 1 (LAN) server forces local client rates to 99999 (bug #491)
 cvar_t	*sv_strictAuth;
+cvar_t	*sv_banFile;
 
 serverBan_t serverBans[SERVER_MAXBANS];
 int serverBansCount = 0;