Log Message:
Update thin to 1.4.1.

== 1.4.1 Chromeo Fix
 * Fix error when sending USR1 signal and no log file is supplied.

== 1.4.0 Chromeo
 * kill -USR1 $PID for log rotation [catwell].
 * Fix HUP signal being reseted after deamonization [atotic].
 * Fix error with nil addresses in Connection#socket_address.

== 1.3.2 Low-bar Squat
 * Remove mack and halcyon Rack adapters from automatic detection.