N-trimmer might have an overflow on Right bp trim

[msettles]

"Paired_end": {
    "in": 59766627,
    "out": 59766627,
    "discarded": 0,
    "Read1": {
        "basepairs_in": 2305056164,
        "basepairs_out": 2306023101,
        "leftTrim": 1887576,
        "rightTrim": 18446744073706697103. <-----
    },
    "Read2": {
        "basepairs_in": 6036429327,
        "basepairs_out": 6028476739,
        "leftTrim": 7335460,
        "rightTrim": 617128
    }