Wool group

For better crafting and modding.

mods/wool/init.lua

@@ -34,7 +34,7 @@ for _, row in ipairs(wool.dyes) do
 	minetest.register_node("wool:"..name, {
 		description = desc.." Wool",
 		tiles = {"wool_"..name..".png"},
-		groups = {snappy=2,choppy=2,oddly_breakable_by_hand=3,flammable=3},
+		groups = {snappy=2,choppy=2,oddly_breakable_by_hand=3,flammable=3,wool=1},
 	})
 	if craft_color_group then
 		-- Crafting from dye and white wool