Added a shell script to generate rectangular patches of tiles
Removed some random tiles that were committed for some reason
Moved tiles to subdir `map/tiles\'; made minor PNG-creation change to mapgen
Merge branch 'feature/value-noise' of github.com:postcursor-laboratories/ConWorld into mapgen
Updated TODO.md
Merge branch 'master' into mapgen
Merge remote-tracking branch 'origin/mapgen'