Introduce --[no]-tokens flag

Change-Id: I3aff53491151d8fe4e00d9f6747f8f12f6051a54
diff --git a/cmd/datok.go b/cmd/datok.go
index e31745a..95919e3 100644
--- a/cmd/datok.go
+++ b/cmd/datok.go
@@ -74,6 +74,7 @@
 	tw := datok.NewTokenWriterFromOptions(
 		os.Stdout,
 		cli.Tokenize.Positions,
+		cli.Tokenize.Tokens,
 		cli.Tokenize.NewlineAfterEOT,
 	)