Updates ckandumper: e4c8833 Docstrings

diff --git a/ckandumper b/ckandumper
index f8c6e40555200e1e21964de5dce30ab7f42499a8..e4c88334af4172b46774fba1a1226cb88e7c71f6 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit f8c6e40555200e1e21964de5dce30ab7f42499a8
+Subproject commit e4c88334af4172b46774fba1a1226cb88e7c71f6