Fix parsing of empty json objects/arrays and recover parse errors
Fix parsing of empty json objects/arrays and recover parse errors

Fixes #694

flavius/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,flavius/kakoune,jjthrash/kakoune,danr/kakoune,flavius/kakoune,lenormf/kakoune,jjthrash/kakoune,Somasis/kakoune,casimir/kakoune,danr/kakoune,occivink/kakoune,casimir/kakoune,danr/kakoune,jjthrash/kakoune,lenormf/kakoune,alexherbo2/kakoune,casimir/kakoune,lenormf/kakoune,occivink/kakoune,occivink/kakoune,jkonecny12/kakoune,ekie/kakoune,mawww/kakoune,Somasis/kakoune,alexherbo2/kakoune,occivink/kakoune,Somasis/kakoune,danr/kakoune,ekie/kakoune,alexherbo2/kakoune,mawww/kakoune,jjthrash/kakoune,flavius/kakoune,mawww/kakoune,casimir/kakoune,mawww/kakoune,jkonecny12/kakoune,lenormf/kakoune,ekie/kakoune,ekie/kakoune,jkonecny12/kakoune,Somasis/kakoune