Storing less versions if possible.

- Trying to do without versions in setup.py and requirements.txt.
- The git tags define the versions.
- The seperate python packages aren't independant atm.
- Eris uses the latest versions of its dependencies, not pinned
  older ones.

fill3/setup.py

@@ -8,7 +8,6 @@ except ImportError:
 
 
 setup(name="fill3",
-      version="2021.10.18",
       description=("Fill3 provides basic widgets for a tui."),
       url="https://github.com/ahamilton/eris",
       author="Andrew Hamilton",