pass RESTClient a timeout in seconds (polygon-io#41)

This will throw a `requests.ConnectTimeout` if the timeout is passed before the server responds. I believe the default amount of retries is 3, but I haven't checked.

chore[setup.py]: Relax install_requires (polygon-io#38)

Make RESTful client a context manager and update example code (polygo…

…n-io#37)

add better anchor name for readme (polygon-io#27)

* add better anchor name for readme

* pr feedback

update readme fix links add badge (polygon-io#25)

update pypl description and add classifiers (polygon-io#24)

update pypl description and add classifiers (polygon-io#24)

update pypl description and add classifiers (polygon-io#24)

update pypl description and add classifiers (polygon-io#24)

adding requests as a dep for install (polygon-io#18)

* adding requests as a dep for install

* remove CI for PR until we have something to check