* Testing an idea for field errors.
* wrap other tests for webhook.
* move FieldError to Error, FieldErrors to FieldError
* Rename files to reflect their type.
* Reworked this to require no changes externally.
* test also.
* gotta cover those tests.
* nil check
* Adding Also.
* Clean up comments.
* Don't delete the tests.
* Null check test the clear.
* Fix nits.
* FieldError is now non-mutating.
* More errorf formatting fixes.
* I can make this even simpiler
* I can make this even MORE simpiler
* Add comment to make flow of also clear.
* fix comment, optimize make errors
* Adding .ViaIndex(1). to make spec.param[1] easier to do.
* Adding ViaKey
* fix order of bag example.
* Add code coverage to missed line.
* Adding ViaFieldIndex helper
* cleaning up.
* compress more.
* more cleanup
* test name
Scott Nichols
Matt Moore