Resolve #2021 "04 16 branched from master ini file device"

Completed ini example. Don't merge before !23 (merged). Small unrelated change slipped in to this branch, will need to fix that first.

added 4 commits

• 999dc058...bddd802b - 3 commits from branch master
• 6f0ce36a - Merge remote-tracking branch 'origin/master' into 2021-04-16-Branched_from_master-INI_file_device

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added 2 commits

• 1debd6e3 - removed merge conflict text
• e226b37b - re added files removed on accident

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!23 (merged) merged and changes made. Should be ready for review/merge now

added 1 commit

• 7b3c04ad - added ini_device jupyter notebook and personal test config_Db

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added 1 commit

• 9522544d - Update ini_client.py

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