juicer cart update should replace entries with higher versions?

[abutcher]

This would only apply to rpms... which makes updating it a bit more dumb imo.

Result: Two rpms with the same name and different versions both exist in an updated cart
Expected result: candlepin-tomcat6-0.4.12-1 is replaced by candlepin-tomcat6-0.4.14-1 after the update

<abutcher>@(strahd)[~/rhat/juicer] 16:44:31  (master)
$ juicer cart create abutcher-test -r hoss ~/abutcher/candlepin-el6/candlepin-tomcat6-0.4.12-1.el6.noarch.rpm
Saved cart 'abutcher-test'.

<abutcher>@(strahd)[~/rhat/juicer] 16:45:42  (master)
$ juicer cart show abutcher-test
{   
    "current_env": "re",
    "_id": "abutcher-test",
    "repos_items": {
        "hoss": [
            "/home/abutcher/abutcher/candlepin-el6/candlepin-tomcat6-0.4.12-1.el6.noarch.rpm"
        ]
    }
}

<abutcher>@(strahd)[~/rhat/juicer] 16:45:48  (master)
$ juicer cart update abutcher-test -r hoss ~/abutcher/candlepin-el6/candlepin-tomcat6-0.4.14-1.el6.noarch.rpm
Saved cart 'abutcher-test'.

<abutcher>@(strahd)[~/rhat/juicer] 16:46:17  (master)
$ juicer cart show abutcher-test
{   
    "current_env": "re",
    "_id": "abutcher-test",
    "repos_items": {
        "hoss": [
            "/home/abutcher/abutcher/candlepin-el6/candlepin-tomcat6-0.4.12-1.el6.noarch.rpm",
            "/home/abutcher/abutcher/candlepin-el6/candlepin-tomcat6-0.4.14-1.el6.noarch.rpm"
        ]
    }
}