added map/remap/scale/rescale function thanks to @kdschlosser and mod…

…ernized test coverage v2.4.0

updated docs

updated readme and test environments 2.2.0

updated readme and test environments 2.2.0

fixed python 2 decoding of unicode strings v2.1.0

Added license file

Enabled Python 2 and 3 support with improved docs

added relative import and submodule import support

added formatters

version 1.0.1