Fix that fucking mending armor crash

This commit fixes an issue were tools enchanted with both efficiency and
unbreaking would loose the effect of one of the enchantments in some
conditions.

mods/ENTITIES/mobs_mc/creeper.lua

@@ -43,11 +43,11 @@ mobs:register_mob("mobs_mc:creeper", {
 	eye_height = 1.25,
 	--hssssssssssss
 
-	explosion_strength = 10,
+	explosion_strength = 3,
-	explosion_radius = 4,
+	explosion_radius = 3.5,
-	explosion_damage_radius = 6,
+	explosion_damage_radius = 3.5,
 	explosiontimer_reset_radius = 6,
-	reach = 1.5,
+	reach = 3,
 	defuse_reach = 4,
 	explosion_timer = 0.3,
 	allow_fuse_reset = true,
@@ -182,9 +182,9 @@ mobs:register_mob("mobs_mc:creeper_charged", {
 	runaway_from = { "mobs_mc:ocelot", "mobs_mc:cat" },
 	attack_type = "explode",
 
-	explosion_strength = 24,
+	explosion_strength = 6,
-	explosion_radius = 12,
+	explosion_radius = 3,
-	explosion_damage_radius = 18,
+	explosion_damage_radius = 6,
 	explosiontimer_reset_radius = 10,
 	reach = 1.5,
 	defuse_reach = 4,

mods/HUD/mcl_experience/init.lua

@@ -275,10 +275,6 @@ function mcl_experience.add_experience(player, experience)
 		end
 		stack:set_wear(math.floor(new_wear))
 		inv:set_stack(list, index, stack)
-		if can.list == "armor" then
-			local armor_inv = minetest.get_inventory({type = "detached", name = player:get_player_name() .. "_armor"})
-			armor_inv:set_stack(list, index, stack)
-		end
 	end
 
 	local old_bar, old_xp, old_level = temp_pool.bar, temp_pool.xp, temp_pool.level

mods/ITEMS/mcl_mobspawners/init.lua

@@ -54,6 +54,7 @@ local spawn_count_overrides = {
 
 local function set_doll_properties(doll, mob)
 	local mobinfo = minetest.registered_entities[mob]
+	if not mobinfo then return end
 	local xs, ys
 	if doll_size_overrides[mob] then
 		xs = doll_size_overrides[mob].x