Log Message:
Update to 0.28
Update DEPENDS

Upstream changes:
0.28
	- always shutdown after SIGTERM, but only after notifying the client (via \ 
connection: close or equiv.) #23

0.26
	- fix abrupt connection close when receiving SIGTERM #21 (by shogo82148)

0.25
	- support listing to unix socket wo. using Server::Starter
	- suppress warning when receiving broken requests
	- fix test issue with Plack >= 1.0035