Strip version string extract from ERP5Diff Class

setup.py

@@ -7,8 +7,8 @@ import re
 api_version = re.search(r'\s*__version__\s*=\s*(\S+)',
                         open('ERP5Diff.py').read()).group(1).strip()
 revision = 0
-version = '%s.%s' % (api_version, revision)
-
+version = '%s.%s' % (api_version.replace("'", ''), revision)
+print version
 setup(name="erp5diff",
       version=version,
       description="XUpdate Generator for ERP5",