Release 5: Add more GPIO's, small fixes.

Now GPIOS 0, 2, 4, 5, 12 and 13 are supported. PWM, input, output and "bounce" are supported on all of them.

Release 4: Add PWM to GPIO's

See commit log and README for description.

Release 3: Add gpios

Release 3: includes gpio bounce mode.

Release 2

First release with precompiled binaries. Basic wlan<->serial functionality is working now.

See README file for how to flash the binaries.