first draft of digital pin
digitalPin and toDigitalPin
Merge branch 'master' of github.com:mikedewar/streamtools into hwio
Merge branch 'master' of github.com:nytlabs/streamtools into hwio
Merge pull request #382 from jacqui/master

Fix for cross-compiling on linux/arm and the rest of the architectures
Merge branch 'hwio' of https://github.com/mikedewar/streamtools

Conflicts:
	st/library/library.go
addressed JM's various concerns with my code
removed unecessary double type assertion
Merge branch 'master' of github.com:nytlabs/streamtools into hwio
Merge pull request #383 from mikedewar/hwio

Hwio