Refactored debian packages into python-sipsimple and sipsimple-cli

darcs-hash:20090413194118-b22ec-4f3f65bec1e9dc4ff87cb082e35fc0249b582743
Updated changelog for 0.9.0

darcs-hash:20090413212603-58252-02601e6c18b1852c7c4ee97e5fcd2e6c528dc144