Adds Domain and Domain record support.

- added Domain support (create, update, list, show, and delete).
- added Domain record management (record-create, record-update, record-delete, record-list, record-show).
- Improvements to some list display output.
- Improved argument parsing.
- Patched issue with Account info.
Release 0.2.0
Fix library path issue with domain; release 0.2.1