Checking in changes prior to tagging of version 0.0.2.

Changelog diff is:

diff --git a/Changes b/Changes
index cb40f6d..9aa1e32 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,7 @@
 Revision history for Perl extension Locale::Maketext::Extract::Plugin::Xslate

+0.0.2 2013-05-01T20:03:50+09:00
+    - add document VALID FORMATS and KNOWN FILE types
+
 0.0.1 2013-03-06T19:52:18+09:00
     - original version