Mazesolver

_Tommy Dougiamas_
---
Changelog
- Split up the file `__main__`
- `__main__` now handles args and passes off to `solve` for actual processing
- New global file `g` only has a maze variable in it for the moment but will have more stuff later
- When you mess up a command it now shows an error AND prints help
- Changed exit statements in `__main__` from `exit()` to `return {exit_code}`

_Tommy Dougiamas_
---
Changelog
- Minor fixes

_Tommy Dougiamas_
---
Changelog
- Cleaned up accidentally included build files
- More install documentation

_Tommy Dougiamas_
---
Changelog
- Proper packaging and pip support
- Better command line usability
- You can now choose where to save the output image
- Default output dir changed from ./pics to ~/Pictures

_Tommy Dougiamas_
---
Changelog
- Added some new functions to make code more streamlined
- Cleaned up some documentation
- Removed a useless wrapper function

Changes in this release
- Better documentation in the README and in the code.

- Some of the code has been cleaned up so it is more maintainable and slightly faster than 1.0