HDXDSYS-2097 Replace file comparison in HDX Python Utilities with fas…

…ter alternative (#41)

* Optional cydifflib

HDXDSYS-2097 Replace file comparison in HDX Python Utilities with fas…

…ter alternative (#40)

* Update to latest format
* Use cydifflib

Copy timelex class from dateutil (#39)

HDXDSYS-1785 Output errors last from error handler in HDX Python Util…

…ities (#37)

* Output warnings first

* styling

Add invert_dictionary function

Change default to False for should_exit_on_error

Fix type hint for Python 3.8+

HDXDSYS-1586 Move what's in error_handling.py in HAPI pipelines to HD…

…X Python Utilities (#36)

* Add error handler

* Increase coverage

* Simplify names and deprecate old class rather than removing

* Move formatting to separate methods for use in subclasses

Fix for missing delete attribute (update Frinctionless) (#34)

HDXDSYS-926 add option to convert xlsx to csv before processing (#33)

* Add xlsx2csv option with test

* Remove fill_merged_cells if present when using xlsx2csv

* Test sheet id and name with xlsx2csv