loongson/pypi: links for sqlchemistry

loongson/mirror SQLChemistry-0.0.1rc2-py2.5.egg
loongson/mirror SQLChemistry-0.0.1rc1-py2.5.egg
loongson/mirror SQLChemistry-0.0.1dev_r6-py2.5.egg
loongson/mirror SQLChemistry-0.0.1dev_r5-py2.5.egg