renew badges

[aodag]

pypip.io is down, renew badges for pypi information.

• https://img.shields.io/pypi/wheel/WebDispatch.svg
• https://img.shields.io/pypi/l/WebDispatch.svg
• https://img.shields.io/pypi/format/WebDispatch.svg
• https://img.shields.io/pypi/pyversions/WebDispatch.svg
• https://img.shields.io/pypi/implementation/WebDispatch.svg
• https://img.shields.io/pypi/status/WebDispatch.svg