Checking in changes prior to tagging of version 1.999.

Changelog diff is:

diff --git a/Changes b/Changes
index 0e9ae86..31a484e 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,8 @@
 Revision history for Perl extension HTML::Shakan

 {{$NEXT}}
+
+1.999 2013-11-19T06:25:46Z
     - fix documents and tests about HTML::Shakan::Field::Choice#choices
       (HTML::Shakan::Field::Choice#choices accepts array ref of key-value pairs only)
     - add documentation of `param` and `params`.