+if __name__ == '__main__':
+ manager = VersionManager()
+ print(manager)
+ manager.show_by_string('sfa 1')
+ manager.show_by_string('protogeni 2')
+ manager.show_by_string('protogeni 2 advertisement')
+ manager.show_by_schema('http://www.protogeni.net/resources/rspec/2/ad.xsd')
+ manager.show_by_schema('http://sorch.netmode.ntua.gr/ws/RSpec/ad.xsd')