Bump version to dev version 0.8.1.9000

Change-Id: I4cda0d8c1cb6595ad947cf5cd024f64412cffebc
diff --git a/DESCRIPTION b/DESCRIPTION
index 4549d0f..e0fc57d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: RKorAPClient
 Type: Package
 Title: 'KorAP' Web Service Client Package
-Version: 0.8.1
+Version: 0.8.1.9000
 Authors@R:
     c(person(given = "Marc",
              family = "Kupietz",