Simplify find-by-x construction.
All the find-by-x functions should post-load-hook.
Test for post-load-hooks for find-by-x.
Better naming.
Assert the the load-hook is called for each item.
Bump the version!
Merge pull request #20 from circleci/find-by-x-should-hook

`find-by-x` et al should trigger post-load hooks.