Updates composer requirements

That's it, just a very minor note that it requires ext-sockets as it was an issue for me.

Adds automatic open port detection / selection.

If you don't specify a port, we will now automatically ask the OS for an open port to use.

Adds `getLastRequest` functionality.

v0.2.0

Adds `getLastRequest` functionality.

Initial Release

v0.1.0

Whitespace cleanup