Add py-confusable_homoglyphs 3.0.0

A homoglyph is one of two or more graphemes, characters, or glyphs with shapes
that appear identical or very similar homoglyph. Unicode homoglyphs can be a
nuisance on the web. confusable_homoglyphs helps to detect confusable usage of
unicode homoglyphs and prevent homograph attacks.

WWW: https://pypi.python.org/pypi/confusable_homoglyphs
WWW: https://github.com/vhf/confusable_homoglyphs