Update README.md
Update README.md
Update README.md
Corrected units of default acceleration values
Merge pull request #372 from martinstingl/master

Corrected units of default acceleration values
Update README.md
updated shapeoko2 defaults
Merge pull request #391 from paulkaplan/master

Update Shapeoko 2 defaults
MIT-licensing change
MIT-licensing change.
Merge pull request #408 from chamnit/master

MIT-Licensing change.
G18 reporting bug fix.

- G18 wasn’t getting reported back to the user correctly, even though
it has been set internally. Fixed the reporting code to reflect this
accurately.
Update README.md
Update README.md
Big merge commit - mainly MIT license update