added inheritance to handle $ref
added inheritance to handle $ref
lylex/gojsonschema,slapresta/gojsonschema,brandur/gojsonschema,juju/gojsonschema,cristiangraz/gojsonschema,mickep76/gojsonschema,xeipuuv/gojsonschema,stephensearles/gojsonschema,xyliuke/gojsonschema,realglobe-Inc/gojsonschema,sanathb/gojsonschema,pki-io/gojsonschema