JHE: Cleanup the code by using pylint advices
Merge branch 'dev' of https://github.com/aerostitch/asciidoc-tools into dev
JHE : cleaning up code using pylint
Conflicts:
	docinfo_generator.py
Merge branch 'dev' of https://github.com/aerostitch/asciidoc-tools

Conflicts:
	docinfo_generator.py