code: function compactObject(object) {
  	var keys = Object.keys(object);
  	var copy = {};
          
          var key, datum;
          for (var i = 0, l = keys.length; i < l; i++) {
              key = keys[i];
              datum = object[key];
              if (datum) {
              	copy[key] = datum;
              }
          }
  
          return copy;
  }
docs: PrivateFunction: compactObject
  cleans nulls in object, preventing over-growth of  the object
  
  Parameters:
  (Object) object - object, from which we remove `null`,
  `undefined`,  `''` and `false` values