Usage example: Use process.env for ID and token

Consistent with how examples in both spark-io and voodoospark are
written
Merge pull request #16 from Resseguie/process-env-vars

Usage example: Use process.env for ID and token
Known functional PWMs

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Add name property to pin objects

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
v0.3.9

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Remove unused require("os")

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Don't use an Error object where an error string will do just fine.

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Clean up junk comment code

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Enable PWM on pin A7 since it does work.
Pin A4 also supports PWM
Add support for A6 we got all the pins
v0.4.0

+Updated contributors

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>