Add description of speed comparison
Checking in changes prior to tagging of version 0.17.

Changelog diff is:

diff --git a/Changes b/Changes
index 4faa3db..6c1d184 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Perl-PrereqScanner-Lite

 {{$NEXT}}

+0.17 2014-04-03T13:19:35Z
+
+    - Fix miss detection
+    - Add documentation about speed comparison
+
 0.16 2014-04-03T07:04:04Z

     - Fix scanner for Moose