Modified StringObject.c and test_Token2.c
Merge branch 'master' of https://github.com/Raydivine/Calculator
Merge branch 'master' of https://github.com/Raydivine/Calculator
Merge pull request #20 from banana93/master

The error for test_Evaluate
Merge branch 'master' of https://github.com/Raydivine/Calculator
Modified stringRemoveOperator(), added new test to StringObject2 and Token2, Added Calculator.c and test_Calculator
Done all the test for test_Calculator