Checking in changes prior to tagging of version 0.08.

Changelog diff is:

diff --git a/Changes b/Changes
index 1c8d7b0..af6abeb 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for Perl extension Otogiri

 {{$NEXT}}

+0.08 2014-03-18T04:14:00Z
+
     - only for PostgreSQL: using LASTVAL() when sequence name is not passed. [tsucchi]
     - search_by_sql() accepts empty arrayref. [tsucchi]