kitty plugin with gif support

plugins/kitty.lua

@@ -1,13 +1,20 @@
 local function run(msg, matches)
 	local receiver = get_receiver(msg)
 	local url = 'http://thecatapi.com/api/images/get'
+	local gif_url = 'http://thecatapi.com/api/images/get?type=gif'		
+	if matches[1] == "gif" then
+		print("GIF URL: "..gif_url)
+		send_document_from_url(receiver, gif_url)
+	else
+		print("Bild URL: "..url)
 		send_photo_from_url(receiver, url)
+	end
 end
 
 return {
   description = "Sendet ein zufälliges Katzenbild", 
   usage = {"/kitty","/katze","/cat","/neko","/kadse"},
-  patterns = {"^/kitty$","^/katze$","^/cat$","^/neko$","^/kadse$"}, 
+  patterns = {"^/kitty$","^/katze$","^/cat$","^/neko$","^/kadse$","^/kitty (.*)$","^/katze (.*)$","^/cat (.*)$","^/neko (.*)$","^/kadse (.*)$",}, 
   run = run 
 }
 --by Akamaru [https://ponywave.de]