------------------
New features:
- Support using the 'in' operator for paths. Support using storage[old_path] to
get the new path, possibly raising KeyError. Support using storage[old_path]
to set or delete new paths. Support using len(storage) to get the number of
paths. Support storage.clear() to clear out all data. Support
storage.update() for bulk updates. Added performance tests. Call with
``export PLONE_APP_REDIRECTOR_PERFORMANCE_NUMBER=100000`` to enable.
[maurits] (13)
Bug fixes:
- Turned doctests into unittests. Removed no longer needed test_suite
functions. [maurits] (12)