/*
 * Create a new connection to the FAM daemon.
 *
 * Aliases:
 *   Fam::Connection.open
 *   Fam::Connection.open2
 *
 * Examples:
 *   # connect and tell FAM the application is named 'foo'
 *   fam = Fam::Connection.new 'foo'
 *
 *   # just connect
 *   fam = Fam::Connection.new
 *
 */
VALUE fam_conn_new(int argc, VALUE *argv, VALUE klass) {