Feature
* Add list() and merge_dicts() pick functions ([`18bfc27`](https://github.com/kalekundert/byoc/commit/18bfc27f034ea38e601c028a7637a659b700e2d4))
* Add the relpath() cast function ([`e5c5981`](https://github.com/kalekundert/byoc/commit/e5c59810892e953d67043911c87fa93f31bd62c3))
* Allow cast functions to access *self* and *meta* ([`17df65b`](https://github.com/kalekundert/byoc/commit/17df65bfd39d64ace1d79eb99658a5874b1a44f5))
* Control verbosity via environment variables ([`4436f45`](https://github.com/kalekundert/byoc/commit/4436f4592a5c70ef555fc7bfc0d502e2ae8c1af2))
* Add arithmetic evaluation functions ([`b75ebe2`](https://github.com/kalekundert/byoc/commit/b75ebe2cc3cac8a498e8b60ca755d85e22ef0ec4))
* Don't require apps to define __config__ ([`b7a2907`](https://github.com/kalekundert/byoc/commit/b7a29079ef5a0a27054e2abdbe98e740a704bd2b))
* Better log messages for file configs without paths ([`afb33f2`](https://github.com/kalekundert/byoc/commit/afb33f2de8b5c335f7aff4f60c1294dd2f2e6ce4))
* Implement jmes() ([`90f1607`](https://github.com/kalekundert/byoc/commit/90f1607fb9a36d74b2262230cd2632173f401ebb))
Fix
* Avoid infinite recursion when params are used in repr() ([`9cb9ba3`](https://github.com/kalekundert/byoc/commit/9cb9ba35cadf0437b16cc58993a3987b5a613f45))
* Handle different AST nodes in python<3.8 ([`640ede1`](https://github.com/kalekundert/byoc/commit/640ede10e423c8a79b686ecaea03fa5f91e43888))
Documentation
* Rewrite intro to params tutorial ([`3f20582`](https://github.com/kalekundert/byoc/commit/3f20582d3fd0b93186482a525614aed2b1f8ec13))
* Remove background hover color from inline tabs ([`e8ec82f`](https://github.com/kalekundert/byoc/commit/e8ec82f5b413d237ddb594f621159c4de4fbee39))
* Write the parameters tutorial ([`69044e5`](https://github.com/kalekundert/byoc/commit/69044e5a548e8247844dd97789fc05fc44a3ee83))
* Describe how to find config values ([`658f3eb`](https://github.com/kalekundert/byoc/commit/658f3eb5786651da988a2795cc46d9e97d467a83))
* Add API documentation ([`22c9edb`](https://github.com/kalekundert/byoc/commit/22c9edbededdbe6d53337e558da494e7d37aac6a))