Module talk:ISO 639/testcases

All tests passed.

test_something:

	Text	Expected	Actual
Y	en→English	English	English
Y	ang→Old English	Old English	Old English
Y	zh→Chinese	Chinese	Chinese
Y	zh-hant→Traditional Chinese	Traditional Chinese	Traditional Chinese
Y	zh-hans→Simplified Chinese	Simplified Chinese	Simplified Chinese
Y	wtfbbq→nil	nil	nil
Y	English→nil	nil	nil