Minor improvements by introducing getters and setters instead of combinators in tokenizer

Change-Id: I31425a3ac991efb131d33a18b6ff012098ddeac8
diff --git a/lib/KorAP/XML/Annotation/Talismane/Morpho.pm b/lib/KorAP/XML/Annotation/Talismane/Morpho.pm
index 85a0786..bd5c30b 100644
--- a/lib/KorAP/XML/Annotation/Talismane/Morpho.pm
+++ b/lib/KorAP/XML/Annotation/Talismane/Morpho.pm
@@ -9,9 +9,9 @@
     layer => 'morpho',
     cb => sub {
       my ($stream, $token) = @_;
-      my $mtt = $stream->pos($token->pos);
+      my $mtt = $stream->pos($token->get_pos);
 
-      my $content = $token->hash->{fs}->{f};
+      my $content = $token->get_hash->{fs}->{f};
 
       my $found;