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The main reason for the pull request is to add a query for the C++ range based for loop. While I was at it I also decided to add a test file for the C++ language. I have included the test cases that are specified for the C language. I did this because they are separate languages and I think we should check that the features work in both, not just check C and assume that they work for C++. That being said, this introduces duplication of test code, if a test is added the the C file, the C++ test file needs to be updated as well.