ALII-4573 add debugging code and remove amqp_os_socket_setsockblock call that doe snot influence lwIP close.

Signed-off-by: Mike Stitt <mikes@spindance.com>
Merge pull request #6 from spindance/bug/4573CloseAlwaysReturns

ALII-4573 add debugging code and remove amqp_os_socket_setsockblock call...