apply modified base64 encoding like described in http://en.wikipedia.org/wiki/Base64#URL_applications
apply modified base64 encoding like described in http://en.wikipedia.org/wiki/Base64#URL_applications

zeroasterisk/search,CakeDC/search,CodeBlastr/Search-Cakephp-Plugin,jmenges/search,burzum/search,ravage84/cakedc_search