* Build-Depend on the Python 3 version of the Sphinx packages to fix
Lintian Warning: build-depends-on-python-sphinx-only
* Fix upstream version parsing in d/rules to account for -rcX.
* Build-Depend on the Python 3 version of the Sphinx packages to fix
Lintian Warning: build-depends-on-python-sphinx-only
* Fix upstream version parsing in d/rules to account for -rcX.