refactor msgpoll
	modified:   bbslist.py
use 'with' on lock pattern
continue refactoring of msgnet support
remove aes before somebody tries to use it !
Merge pull request #84 from ericolito/master

	modified:   bbslist.py
msgbase map fix
tag fix
XXXXXXXXXece of
grrrrrrrrrrrrr:P
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