def normalize_ufo_lib(path):
font = defcon.Font(path)<EOL>deboolize(font.lib)<EOL>for layer in font.layers:<EOL><INDENT>deboolize(layer.lib)<EOL>for glyph in layer:<EOL><INDENT>deboolize(glyph.lib)<EOL><DEDENT><DEDENT>font.save()<EOL>
Go through each `lib` element recursively and transform `bools` into
    `int` because that's what's going to happen on round-trip with Glyphs.