Bump version to 0.5.2

Change-Id: If59f2e2ef23ef192eee25add1f5c25a6984768f3
diff --git a/DESCRIPTION b/DESCRIPTION
index 2f9abc9..7085373 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: RKorAPClient
 Type: Package
 Title: KorAP Web Service Client Package
-Version: 0.5.1
+Version: 0.5.2
 Author: KorAP-Team @ IDS Mannheim
 Maintainer: KorAP-Team <korap@ids-mannheim.de>
 Description: A simple package that makes KorAP's web service API accessible from R.