changed version from 0.2.3 to 0.3.0

darcs-hash:20081126102232-b2873-4f204d8dbed4eb186b94a72c0eea797a08cbc697
Improved macosx docs

Install python-xcaplib using darcs

darcs-hash:20081126115707-58252-19cad223f2e0fc27ddc1edf692510dec0372b99c