only register namespaces found on the root node
only register namespaces found on the root node

this solved issue #7 and should probably work for most services.

hoanghiep90/wasabi,mpangrazzi/savon,savonrb/wasabi,Eric-Guo/savon,savonrb/savon,gocardless/wasabi,rtrepo/savon,oafridi/savon,SICSoftwareGmbH/savon,hayesgm/wasabi,enahum/savon,AnyPresence/wasabi,billr578/savon,latortuga/savon,zerobatu/savon