Minor changes and fixes

files/bucket/init.lua

@@ -106,7 +106,8 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image, name
 						if source == "default:lava_source" then
 							minetest.chat_send_player(player_name, S("Too much Lava is bad, right?"))
 							return itemstack
-						elseif height > 64 then
+						elseif height > 64 or
+								minetest.get_node({x = lpos.x, y = lpos.y - 1, z = lpos.z}).name == "air" then
 							minetest.chat_send_player(player_name, S("Too much liquid is bad, right?"))
 							return itemstack
 						elseif source == "default:water_source" then

files/player/pep/init.lua

@@ -432,6 +432,8 @@ pep.moles = {}
 
 function pep.moledig(playername)
 	local player = minetest.get_player_by_name(playername)
+	if not player then return end
+
 	local dir = minetest.yaw_to_dir(player:get_look_horizontal())
 	local pos = vector.round(player:get_pos())
 

files/player/playereffects/init.lua

@@ -113,7 +113,7 @@ function playereffects.apply_effect_type(effect_type_id, duration, player, repea
 	local biggest_hudpos = -1
 	local free_hudpos
 
-	local hudinfos = playereffects.hudinfos[playername]
+	local hudinfos = playereffects.hudinfos[playername] or {}
 	for _, hudinfo in pairs(hudinfos) do
 		local hudpos = hudinfo.pos
 		if hudpos > biggest_hudpos then