Bump version to 5.5

Change-Id: I4cabea843b4c7dd09600cc405a2287b90b3ddaf0
diff --git a/DESCRIPTION b/DESCRIPTION
index 846bb0e..b3d1cfd 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: RKorAPClient
 Type: Package
 Title: 'KorAP' Web Service Client Package
-Version: 0.5.4
+Version: 0.5.5
 Authors@R:
     c(person(given = "Marc",
              family = "Kupietz",