discovery v5 support

[timxor]

Replaces original PR #42

Fixes issue #19

Nearly ready for approval.

Cleaning up right now and addressing @holgerd77 comments .

Task name	Status?	Required	Description
new PR	✅ Yes	Yes	collaborator administrative control granted
clean up	✅ Yes	Yes	remove debug print lines
finalize example	🚧 Wip	Optional	remove debug print lines

Feel free to run with it! Happy NYE, hope to work on this more come February 🤗

[timxor]

@holgerd77 looks like I need to address the Travis CI build still. Will try to do this evening.

[holgerd77]

Thanks for submitting, very close to the finish line, a handful of more linting error to be fixed. Shouldn't be too complicated, you can eventually just temporarily add a --fix flag to the linting command. 😄