code: function parseChannel(channel){
          var parts = _.without(channel.split('/'), ''),
              filter = {};
  
          _.each(parts, function(item, index){
              if(index % 2 === 0) {
                  filter[item] = parts[index + 1];
              }
          });
  
          if(!_.isUndefined(filter.node)){
              filters.nodes.push(filter.node);
          }
  
          if(!_.isUndefined(filter.system)){
              filters.system.push(filter.system);
          }
  
          if(!_.isUndefined(filter.type)){
              filters.types.push(filter.type);
          }
  
          if(!_.isUndefined(filter.contentid)){
              filters.contentids.push(filter.contentid);
          }
      }
docs: Check for node, type, system or contentid filters that were supplied with the channel. If they exist then
  attribute the passed in values to our channel filter collection. '*' can be used as a wildcard.
  
  @param channel