Version 0.2.1 (2014-07-04)
===
Minor maintainence updates.
Fixed [#6](https://github.com/renkun-ken/rlist/issues/6)
Fixed [#11](https://github.com/renkun-ken/rlist/issues/11)
Fixed [#20](https://github.com/renkun-ken/rlist/issues/20)
Fixed [#21](https://github.com/renkun-ken/rlist/issues/21)

Version 0.2 (2014-07-02)
===
Add `list.join`, `list.mapv`, `list.do`, `list.clean`, `list.parse`
Add vignettes


Version 0.1 (2014-06-27)
===
Implement functions
