v0.0.3
v0.0.3

Fully operational on board:
- analog read
- digital read
- digital write

TODO: analog/pwm write
Signed-off-by: Rick Waldron <dd8fdbe95c7f81f312b273ef8860922803e9ef16@gmail.com>

kimathijs/galileo-io,vj-ug/galileo-io,julianduque/galileo-io,ashishdatta/galileo-io,rwaldron/galileo-io