Nick Pack

Results 3 issues of Nick Pack

- Replaced all != None with not - Reindented everything to (almost) PEP8 - Renamed all variables which used internal type names - Replaced i = i+1 with i +=...

https://ci.nickpack.com/job/libpebble/ will probably explain the point better than I can word it :+1:

Not sure how well used this lib is now, but it fits the bill for some work I am currently doing so I have decided to lightly refactor it so...