more naming convention

now there are spawn objects!
now entity spawns are loaded from level!
now entity spawns are saved to level!

code/entities/kupo.lua

@@ -1,10 +1,9 @@
 Kupo = Entity:new()
+Kupo.type = "Kupo"
 
 function Kupo:new(x,y)
 	local o = Entity:new(x,y)
 
-	o.type = "kupo"
-
 	o.pos = {x = x, y = y}
 	o.speed = 20
 	o.range = 200
@@ -142,7 +141,7 @@ function Kupo:handleAnimation()
 	if self.vel.x ~= 0 then self.sprite_flip.x = math.sign(self.vel.x) end
 
 	self.body:animate()
-	self:Draw(self.body)
+	self:draw(self.body)
 
 	if self.draw_bow == true then
 		self.bow:drawFrame(