Update the documentation and BerliOS references...
[svn r1] new project started
[svn r10] /branches/experimental is abandoned, ...
[svn r21] added support for Sha224 and sha384
Version 0.5 Released
[svn r7] Version 0.1 Released
[svn r13] small modifications in src/pysum.py
Add tag 0.5 for changeset a7dbe933cb07