Changed "yaml.load" to "yaml.full_load"

per https://stackoverflow.com/questions/69564817/typeerror-load-missing-1-required-positional-argument-loader-in-google-col

changesetmd.py

@@ -233,7 +233,7 @@ def doReplication(self, connection):
         # at the end of this method to unlock the database or an error will forever leave it locked
         returnStatus = 0
         try:
-            serverState = yaml.load(requests.get(BASE_REPL_URL + "state.yaml").text)
+            serverState = yaml.full_load(requests.get(BASE_REPL_URL + "state.yaml").text)
             lastServerSequence = serverState["sequence"]
             print("got sequence")
             lastServerTimestamp = serverState["last_run"]