Improve metric handling for HTTPErrors
Improve metric handling for HTTPErrors

d00rman/restbase,wikimedia/restbase,Pchelolo/restbase,cscott/restbase,Krenair/restbase,Krenair/restbase,d00rman/restbase,physikerwelt/restbase,wikimedia/mediawiki-services-restbase,milimetric/restbase,wikimedia/mediawiki-services-restbase,wikimedia/hyperswitch,inverno/restbase,physikerwelt/restbase,inverno/restbase,gwicke/restbase,cscott/restbase,milimetric/restbase,eevans/restbase,eevans/restbase,Pchelolo/restbase,wikimedia/restbase,gwicke/restbase