Publish v0.5.7

Change-Id: I1c2748a0d47c94335ae4da4e0127ab25d7edea40
diff --git a/DESCRIPTION b/DESCRIPTION
index de9b927..abf67e8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: RKorAPClient
 Type: Package
 Title: 'KorAP' Web Service Client Package
-Version: 0.5.6.9002
+Version: 0.5.7
 Authors@R:
     c(person(given = "Marc",
              family = "Kupietz",