Beet

Feature
* Add beet.contrib.messages ([`d623640`](https://github.com/mcbeet/beet/commit/d623640ee5e711a9aecefa44889301f30db36f30))

Fix
* Add snake_case utility ([`8009226`](https://github.com/mcbeet/beet/commit/8009226dc9437b57529c2efcc14696fe1c34c145))
* Rename GlyphSizes and true_type_fonts ([`718b36b`](https://github.com/mcbeet/beet/commit/718b36b152faa68bfa46ab4debb83e47e13c7bc3))

Fix
* Tweak draft again ([`dfc3524`](https://github.com/mcbeet/beet/commit/dfc35247c08bb6fe52b4c3c480e9fcb937892c43))

Fix
* Tweak log_time, draft API, cache formatting, and add Pack.configure ([`2dca46d`](https://github.com/mcbeet/beet/commit/2dca46d759ea7b315a5dfa81ad7100d426ff56fa))

Fix
* Dbg display name for objectives generated with `generate_objective()` ([`f8669c5`](https://github.com/mcbeet/beet/commit/f8669c595cb4f6c6165648ec54426e234409d7e8))

Feature
* Add draft class ([`d501db1`](https://github.com/mcbeet/beet/commit/d501db1689d7d2df8a25a2d239e65e935f9bfb11))
* Add generator draft ([`1e341c5`](https://github.com/mcbeet/beet/commit/1e341c511fd9eb6bb5f6242e9d52202141ba12d2))

Fix
* Align line numbers and tweak dbg formatting ([`715ee23`](https://github.com/mcbeet/beet/commit/715ee2366b65e458da400903b36bfd567a8b20d1))