public static function get_or_create_github_module($moduleName)
 {
     $moduleName = trim($moduleName);
     $filter = array('ModuleName' => $moduleName);
     $gitHubModule = GitHubModule::get()->filter($filter)->first();
     if (!$gitHubModule) {
         $gitHubModule = GitHubModule::create($filter);
         $gitHubModule->write();
     }
     return $gitHubModule;
 }