Fix
* Add defaults for everything ([`f229b3c`](https://github.com/mcbeet/beet/commit/f229b3c2bcba413008600fc38116ad0eede95eee))
* Tweak pack and namespace equality ([`5906fb2`](https://github.com/mcbeet/beet/commit/5906fb2e6632a845ffe6364c9785ba02ee80ea20))
* Rename pack image ([`a3007a1`](https://github.com/mcbeet/beet/commit/a3007a158875178b064aae50b384871c6f31adc7))
Documentation
* Start writing general overview ([`fd9348d`](https://github.com/mcbeet/beet/commit/fd9348d11f7d7513ce0fd3e31864a5216880f047))