New CLI when calling without arguments.
Supply either artist name or URL.
Several Bug fixes.
What's Changed
* Fixed issue with duplicate track names. by tim-morriss in https://github.com/tim-morriss/pyscrapeTrain/pull/7
* Updates to CLI and fixed some bugs by tim-morriss in https://github.com/tim-morriss/pyscrapeTrain/pull/8
**Full Changelog**: https://github.com/tim-morriss/pyscrapeTrain/compare/v0.1.1...v0.1.2