Decode dictionary entry arrays as dictionaries.

Change-Id: If31659887dcd2d219d421f78e50cdeb1be3709a9
diff --git a/jgvariant-core/src/main/java/eu/mulk/jgvariant/core/Decoder.java b/jgvariant-core/src/main/java/eu/mulk/jgvariant/core/Decoder.java
index 8297d79..33b0480 100644
--- a/jgvariant-core/src/main/java/eu/mulk/jgvariant/core/Decoder.java
+++ b/jgvariant-core/src/main/java/eu/mulk/jgvariant/core/Decoder.java
@@ -198,6 +198,7 @@
    *   <li>{@link Optional} (a GVariant {@code Maybe} type)
    *   <li>{@link List} (a GVariant array)
    *   <li>{@code Object[]} (a GVariant structure)
+   *   <li>{@link java.util.Map} (a dictionary)
    *   <li>{@link java.util.Map.Entry} (a dictionary entry)
    *   <li>{@link Variant} (a nested variant)
    * </ul>