/**
 *
 * Scanner::timeout=
 *
 * Set the maximum amount of milliseconds the slave can take to serve one file.
 *
 * If a slave takes more than this amount of milliseconds, it will be killed and the scanner will continue with the next file.
 *
 * * p1 (timeout_ms) The timeout in milliseconds
 *
 * * return The new timeout, in milliseconds
 *
 */
static VALUE scanner_set_slave_timeout(VALUE self, VALUE timeout_ms) {