* py-fparser: parser for Fortran 77..2003 code
* py-fparser: guard against external pytest.ini
* py-fparser: define 'develop' version as latest master branch
* py-fparser: fetch tagged versions from git repo
* py-fparser: add latest release 0.0.6
* py-fparser: whitespace adjustments for flake8
* py-fparser: inherit python dependency from PythonPackage
* py-fparser: rely on spack to resolve sub-dependencies
* py-fparser: try type='test' for py-pytest
* py-fparser: fetch release tarballs instead of git commits
* py-fparser: test deptype is available, remove comment
* py-fparser: limit versions that use py-six
* py-fparser: version ranges do not need a lower bound
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