PEP8: Corrected multiple statements on one line (semicolon)

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branch : patch1
Bug Correction: Avoid double execution when the application throws NameError exception.

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branch : patch1
Merged in rigemo/setuptools/patch1 (pull request #18)

Bug Correction: Avoid double execution when the application throws NameError exception.
Update changelog
Skip test when file system encoding is not suitable. Fixes #55 and Distribute #363.