added: IP ban mechanism (not finished yet -- we need a winix function to remove a ban)

now after some incorrent login attempts your IP can be banned or blocked
       (see new config variables)


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@902 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/request.cpp

@@ -127,6 +127,8 @@ void Request::Clear()
 	gen_trim_white			= false;
 	gen_skip_new_line		= false;
 	gen_use_special_chars	= false;
+
+	ip = 0;
 }