::Main
- Read config
- Initialize utils to use
- Provide interface for opening/closing/config the gem
::ConfigManager
- load configuration files and have methods to fetch project id, api key and finish tag according to the needs
::PivotalUtils
- Wrap PivotalTracker API
- Get Story List
- ...
::GithubUtils
- Wrap Github API
- Get Issue List
- Integrate with Project workflow (?)
::OtherTrackers
- Provide interface for extending to other trackers