Default version to one
New lines
Removed unused class
New Line
Use a better exception
Better descriptions
Be internal
rearranging asserts :lipstick:
Default that version
moving asserts :lipstick:
Filter to contain overrideable callbacks
Filter callbacks no longer needed
Move register/deregister to global settings
Remove the registry

We don't need it right now.
:lipstick:  shifting noise to the bottom
Fixed broken tests
:fire: confusing documentation
ROT13 example tests
Pass in list of attributes
tests for attributes