/**
 * alias - sysLibLoader get
 * You can call the instance of the class with this method, and it calls instance in the form of singleton
 * @param String $sClassName The name of the class
 * @param Mix $mParams 초기화 데이터값
 * @param String $sClassPath 클레스 경로
 * @param Bool $bIsSingleton 싱글톤 사용여부
 * @return Object Instance
 */
function getInstance($sClassName, $mParams = null, $sClassPath = null, $bIsSingleton = true)
{
    $oInstance = loader::getInstance($sClassName, $mParams, $sClassPath, $bIsSingleton);
    if ($oInstance === false) {
        echo $sClassName . ' is not found';
    }
    return $oInstance;
}