Hello, I'm on macOS Sierra with cmd php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" getting `Warning: copy(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed in Command line code on line 1 Warning: copy(): Failed to enable crypto in Command line code on line 1 Warning: copy(https:/