lib/agent.js
function arrayGetUniques(arr) {
    var a = [];
      for (var i=0, l=arr.length; i<l; i++) {
        if (a.indexOf(arr[i]) === -1 && arr[i] !== '')
          a.push(arr[i]);
      }
      return a;
  }
function arrayGetUniques(arr) {
    var a = [];
      for (var i=0, l=arr.length; i<l; i++) {
        if (a.indexOf(arr[i]) === -1 && arr[i] !== '')
          a.push(arr[i]);
      }
      return a;
  }
returns a list of unique dependency agents