Tightens the permissions on debug, DI panel, view variables

code/datums/datumvars.dm

@@ -6,7 +6,7 @@
 	//set src in world
 
 
-	if(!usr.client || !usr.client.holder)
+	if(!is_admin(usr))
 		to_chat(usr, "<span class='warning'>You need to be an administrator to access this.</span>")
 		return
 

code/datums/statclick.dm

@@ -31,7 +31,7 @@
 
 // This bit is called when clicked in the stat panel
 /obj/effect/statclick/debug/Click()
-	if(!usr.client.holder)
+	if(!is_admin(usr))
 		return
 
 	usr.client.debug_variables(target)