implements SkipLevel
Checking in changes prior to tagging of version 0.07.

Changelog diff is:

diff --git a/Changes b/Changes
index abe668f..9ecf451 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Exception-Chain

 {{$NEXT}}

+0.07 2014-06-05T12:05:29Z
+    - add variable $Exception::Chain::SkipLevel
+
 0.06 2014-05-23T11:03:32Z
     - fix using s///gc to s///g ...