Update KorAP-Tokenizer to v2.0.0-SNAPSHOT

Change-Id: Ifc08d660e81cdae9144c2a0b863b9a8abb790d20
diff --git a/Makefile.PL b/Makefile.PL
index 25eae0a..4fbf708 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -21,6 +21,7 @@
     'Pod::Usage'      => 0,
     'Dumbbench' => '0.111',
     'DateTime' => '1.51',
+    'File::Share' => '0.25',
     'Capture::Tiny' => '0.48'
   },
   PREREQ_PM => {