- server now generates a temporary file named 'wshost.tmp' by default in the current working directory that contains defined web socket url.
- server now generates a temporary file named 'wshost.tmp' by default
in the current working directory that contains defined web socket url.

- chat sample takes host[:port] as the first parameter or uses
gethostname to create the instance.

albeva/php-websocket,albeva/php-websocket,albeva/php-websocket,albeva/php-websocket