Add a string hashing function
FIX Make sure tabs are removed from prev and removed registries when restored.
Add chrome internal tabs to the registry.
Implement a better solution for avoiding clearing registry when browser quits.
Namespace the attribute setters and getters in the API and add a clear function
Move the string prototype manipulation outside the closure.
Add events.
FIX Make sure delayed registrations can't register tabs twice.
Handle all tabs regardless of allowed access.
Change attributes namespace to the singular.
Update documentation.
Rename previous registry object for consistency.