Added Test case for tag_sorter etc
Modified Test case for tag_sorter by following pep8 coding convention
Modified Test case for tag_sorter by following pep8 coding convention
Modified Version of  Test case for tag_sorter with pep8 coding convention etc
Modified Version 1 of  Test case for tag_sorter with pep8 coding convention etc
Modified Version of  Test case with an additional test case for tag_sorter with pep8 coding convention etc
Merge pull request #122 from Swetha5/develop

Added Test case for tag_sorter etc