Merge branch 'master' of https://github.com/fantasticdonkey/uLoRa

Merge pull request adafruit#20 from jerryneedell/jerryn_big_packet

 fix error for packets with payloads > 7 bytes

Merge pull request adafruit#18 from brentru/fix-rtd-badge

Fix RTD badge on README

Merge pull request adafruit#15 from brentru/single-channel-example

adding example for single-channel sends

Merge pull request adafruit#13 from brentru/patch-pins

Add explicit pin directions to examples

Merge pull request adafruit#12 from brentru/fix-freq-comments

add/amend frequency comments

Merge pull request adafruit#5 from brentru/add-led-to-examples

Add LED to Examples, update README

Merge pull request adafruit#4 from brentru/optimizations

RAM Optimizations for M0

Merge pull request adafruit#3 from kattni/travis-fix

Redo travis encryption.

Merge pull request #2 from brentru/pypi

adding pypi configuration