v1.5.2: a few bugfixes

We are starting off the New Year with a very small patch for a few bugs.

Briefly,

1. Fixed g*
   • thanks to both @jsvine and @layertwo for noticing and notifying us.
2. If suspended during editline (with Ctrl+Z), VisiData will now correctly resume in the editline.
3. Ctrl+W on an empty value in editline does not error out of the editline.

And that's it.

Happy new year, everyone!