Fix bug in NextSpans that accepts entries in matchList in a different document

Change-Id: I7f6ee346efc2180e042bcc6d8395ef3aafd17554
diff --git a/Changes b/Changes
index 9b1885f..1137eda 100644
--- a/Changes
+++ b/Changes
@@ -1,9 +1,12 @@
-0.58.1 2018-10-31
+0.58.1 2018-11-02
     - [bugfix] Security upgrade of Jackson for CVE-2017-17485 and
       CVE-2018-7489 (diewald)
     - [bugfix] Span expansion with negation (margaretha)
     - [bugfix] OpenJDK8u181-workaround (see Debian Bug report #911925)
       (diewald)
+    - [feature] Helper methods for fuzzing (diewald)
+    - [bugfix] Remove entries from matchList that are not in the same
+      document in NextSpans (diewald)
 
 0.58.0 2018-09-03
     - [feature] Implemented referencing cached collection (margaretha)