Support 2.2.x

[nzrgit]

Some things changed in 2.2.0.

{
    "ts" : ISODate("2012-10-10T21:33:31.976Z"),
    "op" : "update",
    "ns" : "mmsdbminutes.data.rrdMinutes",
    "query" : {
        "_id" : "72147760e91f23aa2fbbcae384cc40ac-1499f25476f6e905ca13a6f6f9e97b32-2012101021-rollovers-asserts"
    },
    "updateobj" : {
        "$set" : {
            "d" : "2012101021",
            "g" : "asserts",
            "i" : "rollovers",
            "cid" : ObjectId("4d1b6314e528c81a1f200e03"),
            "hid" : "1499f25476f6e905ca13a6f6f9e97b32"
        },
        "$inc" : {
            "mn.33.n" : 1,
            "mn.33.t" : NumberLong(0)
        }
    },
    "nscanned" : 1,
    "nupdated" : 1,
    "keyUpdates" : 0,
    "numYield" : 0,
    "lockStats" : {
        "timeLockedMicros" : {
            "r" : NumberLong(0),
            "w" : NumberLong(107)
        },
        "timeAcquiringMicros" : {
            "r" : NumberLong(0),
            "w" : NumberLong(64)
        }
    },
    "millis" : 0,
    "client" : "127.0.0.1",
    "user" : ""
}

[nzrgit]

Here is the DOC ticket for this (examples): https://jira.mongodb.org/browse/DOCS-98