Fixed span position offset bug and fixed milestones behind last token bug

Change-Id: I6250d515ec132e9024b1eaca82523887b7d6f643
diff --git a/t/transform.t b/t/transform.t
index 4537bcb..97c5a8b 100644
--- a/t/transform.t
+++ b/t/transform.t
@@ -154,7 +154,7 @@
   '<>:opennlp/s:s$<b>64<i>0<i>74<i>13<b>0|'.
   '-:opennlp/sentences$<i>50|'.
   '<>:corenlp/s:s$<b>64<i>0<i>6<i>2<b>0|'.
-  '-:corenlp/sentences$<i>68|'.
+  '-:corenlp/sentences$<i>67|'.
   'cnx/l:A|'.
   'cnx/p:N|'.
   'cnx/syn:@NH|'.