Fixed exit codes in script

Change-Id: Id2759189efabd793fb00c795cf3e7d3d38720319
diff --git a/lib/KorAP/XML/Krill.pm b/lib/KorAP/XML/Krill.pm
index 7bccbd8..bb30a2d 100644
--- a/lib/KorAP/XML/Krill.pm
+++ b/lib/KorAP/XML/Krill.pm
@@ -16,7 +16,7 @@
 use Data::Dumper;
 use File::Spec::Functions qw/catdir catfile catpath splitdir splitpath rel2abs/;
 
-our $VERSION = '0.30';
+our $VERSION = '0.31';
 
 has 'path';
 has [qw/text_sigle doc_sigle corpus_sigle/];