add UV_FILE const
version & version_string
uv_stop
move uv_now definition position to make same order in uv.h
uv_tcp_open
uv_udp_open
move uv_poll_*  position
interface_addresses
Checking in changes prior to tagging of version 0.23.

Changelog diff is:

diff --git a/Changes b/Changes
index 69f0626..d0d72fb 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 Revision history for Perl extension UV

+0.23 2013-03-29T15:21:00+09:00
+     - libuv updated to 0.10.2 (first officially versioned release of libuv)
+     - supported following new functions:
+           uv_version_string, uv_stop, uv_tcp_open, uv_udp_open, uv_interface_addresses
+
 0.22 2012-10-12T14:18:36+09:00
      - added a dirty (hopefully temporary) hack to make libuv with -fPIC.