CHIRP

Hey there,

I just inherited a pile of radios and started playing with CHIRP. I noticed that some of the code style is showing it's age and I went ahead and did a general cleanup. They only thing preventing this from running on Python3 is the use of unicode() in repeaterbook.py, platform.py and pyPEG.py. I decided to take a break and show the work I've done to make sure this is desired.

I am attaching a patch file here but did the work on a Github mirror of the code (https://github.com/Cabalist/chirp) I know you all use mercury and not Github but I couldn't find a way to open a pull request here. Let me know if you have any questions or even if this is wanted.

Thanks! I really appreciate that this exists. :)