WIP. Started on traversing the board to trace a construction across tiles
WIP. Added Threeway crossroads.
WIP. Refactored loading of gamepacks and remodelled some tiles so that they fit with what is in the rule book. Some tests are still failing but all run.
WIP. All tests fixed except the test that checks the length of a road across several tiles.
Can traverse a road across tiles
Cleaning up in the board and tile models + tests
Fixed linting errors
Minor refacotoring. Cleaning up tile model mostly.
Massive refactoring. All tests are passing. Zzz.