root/pypi: links for pydsp

root/pypi PyDSP-0.4.tar.gz
root/pypi PyDSP-0.3.tar.gz
root/pypi PyDSP-0.3.macosx-10.5-i386.exe
root/pypi PyDSP-0.2.tar.gz
root/pypi PyDSP-0.2.macosx-10.5-i386.exe