docs: function(startDir) {
  					var i, j, empty, stat;
  					for (i in cache) {
  						empty = true;
  						if (i.indexOf(options.baseUrl) > -1) {
  							this.deleteFile(i);
  							continue;
  						}
  
  						stat = cache[i].stat;
  
  						if (stat.isDirectory()) {
  							for (j in cache) {
  								if (j.indexOf(i) > -1) {
  									empty = false;
  									break;
  								}
  							}
  
  							if (empty) {
  								this.deleteFile(i);
  							}
  						}
  					}
  				}