Link to Github issue or other discussion

#707

What does this PR do?

This makes some string comparisons case insensitive to allow more flexible data to be accepted.

What changes were made?

I this PR just adds a call to .lower() in the method chaining, so code like .startswith() and .endswith() becomes .lower().startswith() and .lower().endswith()

How to test / verify this PR?

Need to pass a .xlsx file that has at least one of the file suffix letters are in upper case.

Also, need to pass a "file" field value of "http" were one of the protocol's letters are in upper case.

Interested Parties

@mjordan

metadata_case_insensitive.Xlsx

Checklist

• Before opening this PR, have you opened an issue explaining what you want to to do?
• Have you run pycodestyle --show-source --show-pep8 --ignore=E402,W504 --max-line-length=200 yourfile.py?
• Have you included some configuration and/or CSV files useful for testing this PR?
• Have you written unit or integration tests if applicable?
• Does the code added in this PR require a version of Python that is higher than the current minimum version?
• If the changes in this PR require an additional Python library, have you included it in setup.py?
• If the changes in this PR add a new configuration option, have you provided a default for when the option is not present in the .yml file?