added some comments
Merge branch 'master' of github.com:mattvenn/cad
merged
Merge branch 'master' of github.com:mattvenn/cad
Merge branch 'master' of github.com:mattvenn/cad
Merge branch 'master' of github.com:mattvenn/cad
fully working cnc mill setup
Merge branch 'master' of github.com:mattvenn/cad