Only add documentation about error types if there are actual soap faults
Only add documentation about error types if there are actual soap
faults

sanbornm/gowsdl,cdwlabs/gowsdl,linkswiss/gowsdl,appropriate/gowsdl,thomasmodeneis/gowsdl,okam/gowsdl,hooklift/gowsdl,mehulsbhatt/gowsdl-1