public function loadClassMap($classmap)
{
if (!file_exists($classmap)) {
throw new Exception('That class map file does not exist.');
}
$newClassMap = (include $classmap);
if (count($this->classmap) > 0) {
$ary = array_merge($this->classmap, $newClassMap);
} else {
$this->classmap = $newClassMap;
}
return $this;
}