Bolt

Fix
* Only allow imports and macros directly at scope level ([`2f069bd`](https://github.com/mcbeet/bolt/commit/2f069bd6ae7e689605303fb99fa272bdc4b17e36))

Feature
* Add bolt classes ([`71c1162`](https://github.com/mcbeet/bolt/commit/71c1162c99c61eb747573a370646f80b787f95f5))

Feature
* Make modules lazy by default ([`370a759`](https://github.com/mcbeet/bolt/commit/370a7596d0a5764dfe0c2ce5e553483f8728ab60))

Feature
* Add raw strings ([`e24d772`](https://github.com/mcbeet/bolt/commit/e24d7721ddd8e708735f7e3b16c50b81cbfb4a89))

Feature
* Ergonomic improvements for dicts without quotes ([`18c747e`](https://github.com/mcbeet/bolt/commit/18c747e74aa2500fbb47414d0bc4ea24a3af04a1))

Feature
* Add raise statement ([`d5654a5`](https://github.com/mcbeet/bolt/commit/d5654a58c95ea326ff01da92b88bfd2e29e48b6c))
* Add proc macro ([`97e1bea`](https://github.com/mcbeet/bolt/commit/97e1beadb033de13453ef9deee1c290bdd730f4e))