v1.0.11: Create main.yml (#2)

* Create main.yml

* add openctm as submodule, update dev environment

* fix config, fix linux build, ...

* fix config

* debug config

* debug further

* this should fix it

* test package publish

* fix config typo

* make setup.py python 2.7 compatible

* remove travis

* fix typo

* remove pathlib

* fix pipfile

* fix win32 lib path

* debug

* fix windows build

* debug

* debug

* debug

* fix paths

* this should fix it

* fix publish

* try and fix build

* fix config

* clean up

* skip testing 3.5 and 3.4

* fix build

* fix build

* change test versions

* update readme and worflow