Add support for identifiers with dashes (Schreibgebrauch project

Change-Id: Ic177c055a14438415c0bcb0cd45d4788f375042f
diff --git a/Changes b/Changes
index 336e7a8..c21f150 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,7 @@
+0.55.2 2016-02-13
+        - [bugfix] Fixed support for corpus and doc IDs containing
+	  dashes (diewald)       
+
 0.55.1 2016-02-10
         - [bugfix] Fixed attribute serialization in MatchInfo (diewald)