0.5.2
 - document objects returned by g.raphael plugins
 - make g.raphael compatible with Raphael 2.1.0 (specifically barchart2.html)
 - further bug fixes and pull requests
 
0.5.1

- merge in pull requests
- fix current valid bugs relating to 0.5 milestone
- full documentation for all chart types

0.x

- Write proper tests for 0.5 milestone
- codebase refactor to make code more modular, maintainable, and unified
- possible addition of more chart types