Fixes to mounting, outfit randomizing, and added creature getSpeed to the lua binding.

modules/game_outfit/outfit.lua

@@ -242,7 +242,7 @@ function Outfit.randomize()
   
   for k, section in pairs(outfitTemplate) do
     section:setChecked(true)
-    colorBoxes[math.random(1, #colorBoxes)]:setChecked(true)
+    colorBoxes[math.random(0, #colorBoxes)]:setChecked(true)
     section:setChecked(false)
   end
   outfitTemplate[1]:setChecked(true)

modules/game_playermount/playermount.lua

@@ -11,11 +11,7 @@ function PlayerMount.terminate()
 end
 
 function PlayerMount.toggleMount()
-  if g_game.isMounted() then
-    g_game.mount(false)
-  else
-    g_game.mount(true)
-  end
+  g_game.mount(not g_game.isMounted())
 end
 
 function PlayerMount.dismount()