Reprfunc

Feature
* Provide predicates with the object and the value ([`83140c9`](https://github.com/kalekundert/reprfunc/commit/83140c9b03b4c269beb1866943b5a39753ceb26f))
* Make it easier to override the class name ([`bf830f2`](https://github.com/kalekundert/reprfunc/commit/bf830f2859321679e09924f8ff8aff61aa9e3974))
* Add support for variable arguments ([`a91291a`](https://github.com/kalekundert/reprfunc/commit/a91291ae5d5868b5320a546bb0c6a239e5f2dbcf))

Documentation
* Fix formatting ([`02f0592`](https://github.com/kalekundert/reprfunc/commit/02f0592f8761e7c7c047eeca532238b86ee69bde))

Feature
* Allow predicates with `repr_from_init()` ([`e71c419`](https://github.com/kalekundert/reprfunc/commit/e71c4191a432ca8ae7f4aae7c0a2773994a043aa))
* Initial implementation ([`95b0b14`](https://github.com/kalekundert/reprfunc/commit/95b0b1407e043fcd3a3c07b5bc5dfa120d5a51d3))