add mcl blast resistance and hardness to everything. Also an alternate name for Nethercap in MCL, since "nether" has another meaning there.

mine_gas/init.lua

@@ -55,6 +55,8 @@ minetest.register_node("mine_gas:gas_seep", {
 	drop = df_dependencies.node_name_coal_lump,
 	sounds = df_dependencies.sound_stone(),
 	is_ground_content = true,
+	_mcl_blast_resistance = 5,
+	_mcl_hardness = 3,
 })
 
 minetest.register_on_dignode(function(pos, oldnode, digger)

mine_gas/wisp.lua

@@ -41,6 +41,8 @@ minetest.register_node("mine_gas:gas_wisp", {
 	drop = {},
 	sunlight_propagates = true,
 	on_blast = function() end, -- unaffected by explosions
+	_mcl_blast_resistance = 3600000,
+	_mcl_hardness = 0,
 })
 
 minetest.register_abm({