Feature/update pypi (hardikvasa#39) (hardikvasa#40)

* chg: doc: license on setup.py

* chg: doc: rename README.md to README.rst

* chg: doc: syntax from markdown to rst

* chg: doc: command on readme

* chg: doc: re add table

* chg: doc: remove duplicate example

* chg: doc: remove readme convertion

rst is already default readme filetype

* chg: doc: update table to latest upstream commit

* chg: doc: update classifiers to latest upstream commit

* chg: dev: update print_urls description