Pywws

1/ Changed Twitter library from tweepy to python-twitter.
2/ Added ability to do uploads asynchronously.
3/ Rearranged and improved documentation.
4/ Various bug fixes and minor improvements.

1/ Substantially rearranged directories, getting rid of 'code' and 'code3'.
2/ Removed 'makefile' - everything is now done via 'setup.py'.
3/ Removed 'RunModule.py' - use 'python -m pywws.module' now.
4/ Separated storage of config (weather.ini) and status (status.ini).
5/ Replaced toservice.py "rapid fire" mode with a separate config file for
Weather Underground rapid fire.
6/ Added 2 more low-level USB access modules.
7/ Various bug fixes and minor improvements.

1/ Added 'rain days' to monthly data. (Reprocess required when upgrading.)
2/ Extended template syntax to include comments.
3/ Added 'humidity index' function.
4/ Added French translation of documentation.
5/ Reduced frequency of saving data files.
6/ Various bug fixes.

1/ Added support for Python 3.
2/ Added French documentation translation.
3/ Used 'binary search' to speed up data access.
4/ Various bug fixes.

1/ Moved development from Google code to GitHub.
2/ Made software attempt to avoid USB activity at times when it is assumed
the weather station might be writing to its memory. This might solve
the USB lockup problem, but it's too early to tell.

1/ Added a 'winddir_text' function for use in templates.
2/ Added <ytics> and <y2tics> options to graph plots.
3/ Various bug fixes.