Update databaker to load files correctly therefore unblocking updating pandas.

[rossbowen]

Be able to read:

• .xls
• .xlsx - Linked ticket Databaker: load xlsx files + cell properties #14
• .ods

Using the appropriate tools.

This would fix:

• isbold issue.
• Allow us to update pandas freeing us from Python 3.8.
• Improve performance in handling large datasets.