Libraries added
Merge branch 'master' of https://github.com/MazMachine/Coen174
Added error-checking for all catalog numbers in applMath and Elen
sections. Did not implement checking of duplicate catalog numbers.
Merge branch 'master' of https://github.com/MazMachine/Coen174

Conflicts:
	COEN174/src/mainPackage/WizardFrame.java