Add C test coverage. #6
Description
Looking into integrating coveralls and gnu gcov. Some sources imply that I need to use tox to install the gcov enabled python versions.
https://docs.python.org/devguide/coverage.html
http://gcovr.com/guide.html
http://gcc.gnu.org/onlinedocs/gcc/Gcov.html
https://github.com/eddyxu/cpp-coveralls