Feature
* Added `single_target` property to selectors ([`99e7f4e`](https://github.com/TheNuclearNexus/bolt-selectors/commit/99e7f4ec605ae4f7b22e2bb45d91c9c2d83ca9b1))
* Selector unions ([`a5a4e53`](https://github.com/TheNuclearNexus/bolt-selectors/commit/a5a4e53b225f90c26610aba445737f6e3d25ba72))
Fix
* Created test for selector combination ([`83ff136`](https://github.com/TheNuclearNexus/bolt-selectors/commit/83ff136d22503c2cda8df71edaf40e455492903c))