Merge pull request #2 from austin1howard/master

Version 0.9
Merge pull request #3 from austin1howard/master

Fixed bad url in readme
** 04/11/2014 , v0.9.1 **
- linestyle and linewidth kwargs are consistent (ls and lw)
- updated docstring for add_rectangle
** 04/11/2014 , v0.9.2 **
- linestyle and linewidth kwargs are consistent (ls and lw)
- updated docstring for add_rectangle
Merged changes from kamilm (upstream). Version bump to 0.9.3.
Conflicts:
	kaplot/__init__.py
Changelog update