Add external machine registration support (#557)

KaylebJay

2020-06-24 438c0877f6ed03a25211ce70e2edd26b01703a8c

 technic/tools/mining_lasers.lua

@@ -59,7 +59,7 @@
end

local function laser_shoot(player, range, particle_texture, sound)
   local player_pos = player:getpos()
   local player_pos = player:get_pos()
   local player_name = player:get_player_name()
   local dir = player:get_look_dir()