pygolang: v↑ (0.0.7.post1 -> 0.0.8)

This upgrade mainly fixes gpython and pymain to be more compatible with
CPython when handling command line. In particular it moves
sys.executable setup and -O handling into pymain:

pygolang!10
pygolang@21756bd3
pygolang@11b367c6
pygolang@8564dfdd
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failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

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passed SlapOS.SlapRunner.ResilienceTest-Master

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passed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

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