add ability to add links to legend
add inner_radius for piechart fixes #42 does not work for Multi-series pies
reverse the legend in horizontal bar. Adresses #56
add tests
after cosiderations and tests it is better to change the orders of the bars instead of the legend. This is probably more of what a user would expect. fixes #55 all tests are passing
cleanup, sorry for the premature pull request, but this is really the final time
Merge remote-tracking branch 'cleder/master' into donut_label_with_links
Merge branch 'master' into donut_label_with_links
Merge branch 'master' into donut_label_with_links

Conflicts:
	setup.py
Clean code + fix test