Extracted improved gps api from Driver
Added table.copy
Put our gps functions in separate namespace
Fixed syntax error in table.copy()
Fix: forgot to init gps_ namespace
Miner goes down to mine and back home
Extracted engines from Driver
Only include turtle related things on a turtle
Added vector.from_table()
Added spec note
Miner mines counter clockwise with increasing radius
Miner returns when inventory full
Pretty print Miner exception
Log errors to file
Miner complains when low on fuel
Returns when low on fuel
Refuse to leave with non-empty inventory