Added test cases from Rack. And make it compatible!
Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git Changes Changes
index fa7d018..f2e36fb 100644
--- Changes
+++ Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Data-NestedParams

 {{$NEXT}}

+0.04 2014-03-20T01:24:19Z
+
+    - More rack compatiblity.
+    - Documentation.
+
 0.03 2014-03-13T07:49:03Z

     - s/convert_nested_query/expand_nested_params/g
Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git Changes Changes
index f2e36fb..bdd5c10 100644
--- Changes
+++ Changes
@@ -2,7 +2,7 @@ Revision history for Perl extension Data-NestedParams

 {{$NEXT}}

-0.04 2014-03-20T01:24:19Z
+0.04 2014-03-20T01:24:45Z

     - More rack compatiblity.
     - Documentation.