Bump to new dev version 0.7.2.9000

Change-Id: I52ce18239bff2b50a6628570bb9b4fb354a8c591
diff --git a/DESCRIPTION b/DESCRIPTION
index e86151b..45aab19 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: RKorAPClient
 Type: Package
 Title: 'KorAP' Web Service Client Package
-Version: 0.7.2
+Version: 0.7.2.9000
 Authors@R:
     c(person(given = "Marc",
              family = "Kupietz",