Checking in changes prior to tagging of version 1.08.

Changelog diff is:

diff --git a/Changes b/Changes
index 28af962..e2b68c7 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,11 @@
 Revision history for Mouse

+1.08 2013-04-24 16:20:53
+    [FEATURES]
+    - Support PUREPERL_ONLY
+      See the Lancaster Consensus:
+      https://github.com/sjn/toolchain-site/blob/219db464af9b2f19b04fec05547ac10180a469f3/lancaster-consensus.md#specifying-pure-perl-builds
+
 1.07 2013-04-24 08:47:17
     [BUG FIXES]
     - Make trigger pass in the old value for Moose compatibility