PISI - Packages Installed Succesfully as Intended

PISI is a new package manager implemented in python for the PARDUS
distribution.

Some of its distinctive features:

 - Implemented in python.
 - Efficient and small
 - Package sources are written in XML and python.
 - Fast database access implemented with berkeley DB.
 - Integrates both low-level and high-level package operations.
 - Framework approach to build applications and tools upon
 - Comprehensive CLI and a user-friendly qt-based GUI (GUI
   distributed separately)
 - Extremely simple package construction
