Implement $* and $*..N operators for hop-queries

[1pxone]

$*..%n operator to perform hop-based queries

"where": {
    "foundedAt": {
        "$lte": {
            "$year": 1980
        }
    },
    "$*..5": {
        "PROJECT": {
            "$alias": "$project",
            "EMPLOYEE": {
                "$alias": "$employee"
            }
        }
    }
}