fix open close definitions (again) (massive-com#70)

Missing endpoints (massive-com#63)

* add endpoints in client

* add crypto prev. close + grouped daily

* add fx previous close + grouped daily + single ticker snapshot api responses

pass RESTClient a timeout in seconds (massive-com#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 (massive-com#38)

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

…e-com#37)

add better anchor name for readme (#27)

* add better anchor name for readme

* pr feedback

update readme fix links add badge (#25)

update pypl description and add classifiers (#24)

update pypl description and add classifiers (#24)

update pypl description and add classifiers (#24)