adds support for coveralls on the unit tests
reconfigures coveralls so no local fails
set call to update_filter_options()
adds badge for coverage status
Merge pull request #241 from whiteotter/issue-195-range-params

set call to update_filter_options()
makes small change to readme
Merge pull request #240 from zachgersh/adds_coveralls

adds support for coveralls on the unit tests
mock.pushScenario setup, with some test changes
Merge pull request #207 from whiteotter/mock-response-feature

Mock response feature