Vty is terminal GUI library in the niche of ncurses. It is intended to be easy
to use and to provide good support for common terminal types.
See the 'vty-examples' package as well as the program
'examples/interactive_terminal_test.hs' included in the 'vty' repository for
examples on how to use the library.
Import the 'Graphics.Vty' convenience module to get access to the core parts of
the library.