remove $ crap. up the version to 0.4.1
Allow netblocks to be used in CIDR indexes. Netblocks can now be used as CIDR indexes. Also, CidrMemIndex.find_subnets() now uses a set to avoid returning duplicate objects. Update the README and setup.py in preparation for the next release.
Beginnings of support V6 data objects
copyright and license notices; added __len__ method to IndexResult
add a db method to get the list of authority areas (used in referral processing)
Initial revision