v1.2.1

before style clean up

v1.2: v.1.2

• resolve recursively all internal and external $ref in the definition part of the OAS2.0 file

v1.1: seperated out installation of python setup tools

if that fails, it still should install other things.
needed for installing on dragon boards.

v1.0.0

to be used at the OCF hackathon (21 june 2018)