Added constants for the sanitize levels.
sanitize_html didn't return anything if the sanitize level isn't recognized. Returns the unmodified content if level None, raises an error if unknown level.
Coverage increased (+1.6%) to 70.952% when pulling ba6de5303321f7debbcbf9ce3989df8957b18cc2 on janetriley:feature-tweak_export_sanitize_and_add_tests into f16b2a3167d956eecdf927283831d86699bfbd01 on DistrictDataLabs:develop.
70 write tests for sanitize.
Added constants for the sanitize levels.
sanitize_html
didn't return anything if the sanitize level isn't recognized. Returns the unmodified content if level None, raises an error if unknown level.