trend/dev: links for accumulator

root/pypi accumulator-0.3.zip
root/pypi accumulator-0.3-py2.py3-none-any.whl
root/pypi accumulator-0.2.1.zip
root/pypi accumulator-0.2.1-py2.py3-none-any.whl
root/pypi accumulator-0.2-py2.py3-none-any.whl
root/pypi accumulator-0.1-py2.py3-none-any.whl