Reset master.
Backed out optimized fitness code for master branch.
Optimized code is on separate branch (fitness_optimal_code).
Speed enhancement by using StringBuilder in place of +=
Updated mutation code to be based upon each bit and the mutationRate.
Merge branch 'master' into FITNESS_OPTIMAL_CODE

Conflicts:
	AIProgrammer.Interpreter/Interpreter.cs
	AIProgrammer/Program.cs
Select correct solution when fitness is achieved for optimized code.
Fixed variable name.