adding Divide functionality
adding power functionality
Added exception handling in divide functionality...
Merging with BranchB

Conflicts:
	TestingGitRebase/Bin/CalcBL.dll
	TestingGitRebase/Bin/CalcBL.pdb
	TestingGitRebase/Default.aspx.cs
	TestingGitRebase/TestingGitRebase.suo
	calcBL/bin/Debug/CalcBL.dll
	calcBL/bin/Debug/CalcBL.pdb
	calcBL/obj/Debug/CalcBL.dll
	calcBL/obj/Debug/CalcBL.pdb
Added root functionality
Merging with BranchC

Conflicts:
	TestingGitRebase/Bin/CalcBL.dll
	TestingGitRebase/Bin/CalcBL.pdb
	calcBL/bin/Debug/CalcBL.dll
	calcBL/bin/Debug/CalcBL.pdb
	calcBL/obj/Debug/CalcBL.dll
	calcBL/obj/Debug/CalcBL.pdb
This is stable stage with basic calculator functionality.