http://www.sco.wisc.edu/parcels/tools/NullFieldsUppercase/CHANGELOG.txt

Null Fields and Set to Upper-Case Tool - Change Log

Initial Release: January 27th, 2016 (01-27-16)
	-No changes made - initial release of the tool.

Change: January 28th, 2016 (01-28-16)
	-Added code to erase temporary feature class from the in-memory workspace so that subsequent running of the tool will not fail.
	-Added logic to make user-inputs more intuitive.