Improve docs.
Improve cpanfile
Checking in changes prior to tagging of version 0.20.

Changelog diff is:

diff --git a/Changes b/Changes
index 74d5343..6159b66 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Test::LocalFunctions

 {{$NEXT}}

+0.20 2013-06-21T04:31:08Z
+        - Added functions to ignore testing.
+
 0.14 2013-06-03T07:22:35Z
         - Tiny fix to pass tests on perl-5.8.9.