0.3

• -l option now print json path, in a format similar to jq. (example: .example[0].path[3])
• rework -h messages (remove unimplemented option and better brief message)
• fix -V not looking in array sub elems
• new -n option to print "null\n" instead of "nothing found", to have a result similar to jq

Full Changelog: 0.2...0.3