Added request at29487

1) New hookable Engine func: GetInfoKeyBuffer
2) New GameDLL func that can be called via engfunc: GetInfoKeyBuffer
3) New native: copy_infokey_buffer that copies data out of the specified info key buffer
4) EngFunc_InfoKeyValue, EngFunc_SetKeyValue, and EngFunc_SetClientKeyValue have been reworked
    so that they expect pointers to an info key buffer in order to work properly o_O
5) Added some error messages to get_tr

dlls/fakemeta/forward.h

@@ -1,7 +1,7 @@
 #ifndef _INCLUDE_FORWARD_H
 #define _INCLUDE_FORWARD_H
 
-#define ENGFUNC_NUM		FM_LAST_DONT_USE_ME // 129
+#define ENGFUNC_NUM		FM_LAST_DONT_USE_ME // 130
 
 #define	FMV_STRING		1
 #define FMV_FLOAT		2
@@ -162,6 +162,7 @@ enum {
 	FM_CmdEnd,
 	FM_CreateInstancedBaseline,
 	FM_CreateBaseline,
+	FM_GetInfoKeyBuffer,
 	FM_LAST_DONT_USE_ME
 };