thanks to mercyfulfatl, provide ctrl chars

smileys, spades, hearts, etc.
Merge branch 'master' of https://github.com/jquast/x84
encodings: a new API to translate from alternate charsets to unicode
ansiwin: use codec in stead of static map
missing brackets
encodings: provide a cp437_art codec with fancy glyphs for some control characters
encodings: README fix
Empty -> Queue.Empty
showart: show art using alternate encodings
showart: make cp437 the default, because that is also the default in the engine
Merge pull request #85 from haliphax/patch-1

missing brackets
Merge pull request #86 from haliphax/patch-2

Empty -> Queue.Empty
Merge branch 'master' of https://github.com/jquast/x84 into refactor-msgpoll

Conflicts:
	x84/webmodules/msgserve.py