Make request() method more sensible

[snorklerjoe]

https://github.com/Windham-High-School/CubeServer-api-python/blob/v1.3.3/servercom/implementations/circuitpy.py#L373-L378
is from dealing with wifi intermittence issues.
Make better and easier to catch non 2XX HTTP response codes

[snorklerjoe]

Also- if an additional header is not provided, the request is malformed