Fix pyboard.py tests.
Fix PB0 ADC typo.

This also adds a bunch of slashes separating pin that have multiple functions.
Add device ID to autoflash script.
Merge pull request #547 from cjbarnes18/pyboard_module_fixes

Fix pyboard.py tests.
Merge pull request #549 from cjbarnes18/autoflash_device

Add device ID to autoflash script.
Merge pull request #548 from dhylands/fix-pin-defn

Fix PB0 ADC typo.