root/pypi: links for rpn-calculator

root/pypi rpn_calculator-1.2.1.3.tar.gz
root/pypi rpn_calculator-1.2.1.2.tar.gz
root/pypi rpn_calculator-1.2.1.1.tar.gz
root/pypi rpn_calculator-1.2.1.tar.gz
root/pypi rpn_calculator-1.2.0.tar.gz