Append a new job to the batch in JSON Format

see NeoJob

Property definitions

neo4j $ NeoBatch :: new_job
	# Append a new job to the batch in JSON Format
	# see `NeoJob`
	fun new_job(nentity: NeoEntity): NeoJob do
		var id = jobs.length
		var job = new NeoJob(id, nentity)
		jobs[id] = job
		return job
	end
lib/neo4j/neo4j.nit:797,2--804,4