Add XML and mbstring extensions to the list of required
Add XML and mbstring extensions to the list of required

nazar-pc/CleverStyle-CMS,nazar-pc/CleverStyle-CMS,nazar-pc/CleverStyle-Framework,nazar-pc/CleverStyle-Framework,nazar-pc/CleverStyle-CMS,nazar-pc/CleverStyle-CMS,nazar-pc/CleverStyle-Framework,nazar-pc/CleverStyle-Framework