Remove rest of SP_nodes from code, it does not contain anything
Reset switch infotext, export machine_tiers
Add tests for cable building between active networks
Remove all networks when cable is placed between networks
Fix SC connectivity issues
Fix few cable place/dig issues
Tests for machine build/dig
Fix machine build/dig bugs
Fix test for machine building
Fix machines acting like cables when placed
Inline fixtures for building/digging tests
fix ignored luacheck warnings
(#105)
fix long lines
(#105)
Add more tests for bugs found
Fix tests, add minetest.get_us_time (implement using socket.gettime)
