This gives users an idea of which versions of python are available. Other version managers ([nvm](https://github.com/creationix/nvm), [rvm](https://rvm.io/rubies/list), etc) tell users how to list available versions as well.
Added python 3.3.5rc2
Change readme for issue #117
Remove leading `build_package_` from `build_package_verify_python` and `build_package_verify_import` since they are not `build_package` functions.
Added python 3.4.0rc1
Add support for Python 3.3.4