Fix the Field spec to test that we can actually set the name as either a String or a Symbol and have it stored as a Symbol
Merge branch 'fix_field_specs'
Document the valid names that an NyuCore::Field can have
Add specs for the new feature and clean up the current specs, esp. remove the check that  doesn't raise an error, since it didn't actually work because the subject wasn't a Proc
Add the validate name feature
Merge branch 'validate_names'