Don't send a HTTP/1.1 status line to HTTP/1.0 clients.
Don't send a HTTP/1.1 status line to HTTP/1.0 clients.

Fixes #1234.

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node