Bump version to v0.6.2

Change-Id: Ic5a0e34cb75d8baf3702d3c1dad326a6ab7682dd
diff --git a/script/korapxml2conllu b/script/korapxml2conllu
index 40a06d3..7d9b452 100755
--- a/script/korapxml2conllu
+++ b/script/korapxml2conllu
@@ -25,7 +25,7 @@
 
 my $lm_training_data = 0;
 
-our $VERSION = '0.6.1';
+our $VERSION = '0.6.2';
 
 our $VERSION_MSG = "\nkorapxml2conllu - v$VERSION\n";