/*
 * Set the search depth for a MusicBrainz::Client object.
 * 
 * Note: Defaults to 2.
 * 
 * Aliases:
 *   MusicBrainz::Client#set_depth
 *
 * Examples:
 *   mb.depth = 5
 *   mb.set_depth 5
 *
 */
static VALUE mb_client_set_depth(VALUE self, VALUE depth) {