Add __toString to the template helper
Add __toString to the template helper

KnpLabs/KnpMenuBundle,Soullivaneuh/KnpMenuBundle,Nek-/KnpMenuBundle,craue/MenuBundle,Soullivaneuh/KnpMenuBundle,piotrantosik/KnpMenuBundle,WouterJ/KnpMenuBundle,benji07/KnpMenuBundle,stof/KnpMenuBundle,javiereguiluz/KnpMenuBundle,bocharsky-bw/KnpMenuBundle