function lmb_package_get_path($name)
{
    if (!lmb_package_registered($name)) {
        throw new lmbNoSuchPackageException("Package '{$name}' not registered", array('name' => $name));
    }
    return $_ENV['LIMB_PACKAGES_INITED'][$name];
}
 function testPackageRegisterAndRegistered()
 {
     $this->assertFalse(lmb_package_registered('foo'));
     lmb_package_register('foo', lmb_env_get('LIMB_PACKAGES_DIR'));
     $this->assertTrue(lmb_package_registered('foo'));
 }