Fix game.play and its test#7

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eliadl wants to merge 5 commits intochenl:masterfrom

eliadl:add_tests

Commits on Jun 9, 2017

Fix game.play and its test
eliadl
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Commits on Jun 10, 2017

Revert to translate before format (temporary test break)
eliadl
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Add PromptGGEE to prevent translate-format break
eliadl
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Use PromptGGEE in game.play (+fix test)
eliadl
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Fix StringIO import
eliadl
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