Returning valid json from default 500 handlers, ref #2247
Returning valid json from default 500 handlers, ref #2247

Pop-Code/keystone,concoursbyappointment/keystoneRedux,joerter/keystone,Adam14Four/keystone,suryagh/keystone,matthewstyers/keystone,benkroeger/keystone,webteckie/keystone,pswoodworth/keystone,michaelerobertsjr/keystone,dvdcastro/keystone,rafmsou/keystone,naustudio/keystone,ONode/keystone,creynders/keystone,frontyard/keystone,michaelerobertsjr/keystone,vokal/keystone,suryagh/keystone,w01fgang/keystone,cermati/keystone,andrewlinfoot/keystone,concoursbyappointment/keystoneRedux,brianjd/keystone,danielmahon/keystone,Tangcuyu/keystone,everisARQ/keystone,jacargentina/keystone,alobodig/keystone,tony2cssc/keystone,ONode/keystone,trentmillar/keystone,naustudio/keystone,Yaska/keystone,andrewlinfoot/keystone,andreufirefly/keystone,andreufirefly/keystone,joerter/keystone,w01fgang/keystone,creynders/keystone,danielmahon/keystone,xyzteam2016/keystone,alobodig/keystone,jstockwin/keystone,sendyhalim/keystone,pr1ntr/keystone,cermati/keystone,qwales1/keystone,Tangcuyu/keystone,naustudio/keystone,frontyard/keystone,linhanyang/keystone,matthieugayon/keystone,ratecity/keystone,trentmillar/keystone,frontyard/keystone,dvdcastro/keystone,Pop-Code/keystone,webteckie/keystone,pr1ntr/keystone,ratecity/keystone,danielmahon/keystone,brianjd/keystone,wmertens/keystone,jstockwin/keystone,dryna/keystone-twoje-urodziny,everisARQ/keystone,Yaska/keystone,matthieugayon/keystone,rafmsou/keystone,wmertens/keystone,Adam14Four/keystone,trentmillar/keystone,qwales1/keystone,jacargentina/keystone,tony2cssc/keystone,snowkeeper/keystone,nickhsine/keystone,benkroeger/keystone,Yaska/keystone,xyzteam2016/keystone,sendyhalim/keystone,nickhsine/keystone,vokal/keystone,pswoodworth/keystone,snowkeeper/keystone,matthewstyers/keystone,andrewlinfoot/keystone,dryna/keystone-twoje-urodziny,benkroeger/keystone,matthewstyers/keystone,vokal/keystone