Add 'six' to requirements. Module for 2to3 compatibility.
temporarily remove testing
Be explicit about out compatibility goals.
add the changes from running 2to3
fixed implicit relative import
temporary! overwriting chunked_request.py to use six for now.
fixed incorrectly converted import statement.
fixed incorrectly converted import.
add back test suite (converted to python3 syntax)
removed tests for matplotlib (for now)
test_figure broken because of bytes vs str in python 3 remove (for now)
Changed ambiguous Python 2 import to explicit relative import.
Smoothed over 2/3 metaclass discrepancies.
fixed Python 2 ambiguous import to explicit relative import
fixed ambiguous python 2 import with explicit relative import.
don't protect the contents of the config and credentials files for now

there's a unicode/bytes/str issue here that will be revisited.
fixed improper 2to3 conversion.
Convert returned bytes from plotly to unicode if six.PY3==True.
get_figure tests are back in and passing.
added matplotlylib tests back, with some import changes -> passing!