Cursedspace

Fixed
- Positioning of the completion window could break in various conditions

Fixed
- Advertised, but never used: `Completion.COLOR` is now being used to set the color of a completion menu.

Added
- `Completion` alternatives may be of type `Completion.Suggestion` to allow for more complex completion behaviour

Fixed
- Completion would crash when an application didn’t have a `paint` method
- `ScrollPanel`’s focus would never be in the last line
- Missing import could crash the application in case of an erroneous situation

Fixed
- `ScrollPanel` wouldn't clear the last line of the panel when clearing the background, but instead write over the margins on the panels
- Partial border drawing fixed (don't draw corners on ending edges)

Fixed
- All combinations of borders now draws correctly in `Panel`
- Readme example missing import

Added
- `Grid` class that handles a set of `Panel`s spanning any set of cells in a rectangular grid
- `ProgressBar` panel to show the value of a variable graphically, allows a description
- Folder of example usage
- `Panel` constructor now takes `border` as an argument as well

Changed
- Minimum python version is 3.8. Probably.
- Refer mostly to vonshednob.cc instead of github.com

Fixed
- ScrollPanel shifted the entire list by -1