Merged in feature/expand_travis_builds (pull request #331)
Introduces a number of new Travis builds to expand the range of cases covered.
Introduces:
Debug
No dependency
Gfortran 7.5
Gfortran 9.3
Partially addresses issue #121
Now fully fixes issue #121
Introduces a number of new Travis builds to expand the range of cases covered.
Introduces:
Debug
No dependency
Gfortran 7.5
Gfortran 9.3
Partially addresses issue #121
Now fully fixes issue #121