Add support for querying package relationships - Requires

example using the command
~$pkgwat dependencies pkgwat
Starting new HTTPS connection (1): apps.fedoraproject.org
+--------------------------+-------------------------------+
| name                   | provided_by              |
+--------------------------+-------------------------------+
| python-pkgwat-api | - python-pkgwat-api   |
| python-fabulous    | - python-fabulous       |
| python-cliff           | - python-cliff              |
| python(abi)           | - python                    |
|                            | - python3                  |
| /usr/bin/python     | - python                    |
+-------------------+---------------------------------------+