Improve token filtering in leaf nodes (fixes #168)

Change-Id: Ia53ebbe28c1f4ed861a48159c6bc88ad7dece3de
diff --git a/lib/Kalamar.pm b/lib/Kalamar.pm
index 00f8242..36b2524 100644
--- a/lib/Kalamar.pm
+++ b/lib/Kalamar.pm
@@ -8,7 +8,7 @@
 use List::Util 'none';
 
 # Minor version - may be patched from package.json
-our $VERSION = '0.45';
+our $VERSION = '0.46';
 
 # Supported version of Backend API
 our $API_VERSION = '1.0';