[*] Updated submodules 01/13/20.

libdap-stream @ 4528b312

-Subproject commit a2ae05dcafd2e37c1e371d422beee9f2949b8fa3
+Subproject commit 4528b31243af178fb981c5caeec5e281fb6e9b82

libdap-stream-ch @ ad0f3e36

-Subproject commit 3bdf48f5401b54b582c2d28b71c9e596bcc6c090
+Subproject commit ad0f3e360023e023cd5cfa312db2dd3c441f8b66

libdap-stream-ch-chain @ 496ff626

-Subproject commit a55278df88e9aa18bb4cc08db49a0013ee536ff3
+Subproject commit 496ff626c4c17bbdf103f9b49b01a4fc95a5bf7c