LBRYcrdWallet update claim fix

-fix log line that could raise an exception
-json encode value sent to lbrycrd-cli updateclaim

lbrynet/core/LBRYWallet.py

@@ -989,7 +989,7 @@ class LBRYcrdWallet(LBRYWallet):
     @_catch_connection_error
     def _update_name_rpc(self, txid, value, amount):
         rpc_conn = self._get_rpc_conn()
-        return rpc_conn.updateclaim(txid, value, amount)
+        return rpc_conn.updateclaim(txid, json.dumps(value), amount)
 
     @_catch_connection_error
     def _send_name_claim_rpc(self, name, value, amount):

lbrynet/core/client/ConnectionManager.py

@@ -172,7 +172,8 @@ class ConnectionManager(object):
         def pick_best_peer(peers):
             # TODO: Eventually rank them based on past performance/reputation. For now
             # TODO: just pick the first to which we don't have an open connection
-            log.debug("Got a list of peers to choose from: %s", str(["%s:%i" % (p.host, p.port) for p in peers]))
+
+            log.debug("Got a list of peers to choose from: %s", str(peers))
             if peers is None:
                 return None
             for peer in peers: