We should read the message before sending the ack!

In those cases the emit might cause the server to remove the connection
and we are working with a dangling pointer. We can't call putChar on
that, so acknowledge the message immediately and then emit the message.

Loren Burkholder authored 4 years ago and Loren Burkholder committed 4 years ago

This introduces a new version of SingleApplication as well.

closes #94

This may still not raise the application correctly on some WMs, because
they don't allow disturbing the user with windows popping up. I don't
think we want to work around that.

fixes #84
fixes #113