Add test class for BigInt
Merge branch 'master' into Big-Integer

Conflicts:
	src/CalculatorUI.java
	src/coreLibrary/Constants.java
Added Enums for BigInteger integration
Commit to save

About to integrate getValue method
removed a file
Core Functionality of Big Integer is Complete
Commit to save.

Next step GUI Integration
Merge branch 'Big-Integer' into Menu

Conflicts:
	src/coreLibrary/Constants.java