bump to new dev version 0.7.3.9000

Change-Id: Icf7ce1c5c7b5e5675f76b9636702a40aa7b85fb9
diff --git a/DESCRIPTION b/DESCRIPTION
index f9a008a..424714b 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: RKorAPClient
 Type: Package
 Title: 'KorAP' Web Service Client Package
-Version: 0.7.3
+Version: 0.7.3.9000
 Authors@R:
     c(person(given = "Marc",
              family = "Kupietz",