Fix a number of issues with maxnodes

Some commands did not function correctly
after modifications.

confluent_client/bin/nodebmcreset

@@ -45,7 +45,7 @@ session = client.Command()
 exitcode = 0
 
 errorNodes = set([])
-
+session.stop_if_noderange_over(noderange, options.maxnodes)
 success = session.simple_noderange_command(noderange, 'configuration/management_controller/reset', 'reset', key='state', errnodes=errorNodes)   # = 0 if successful
 
 # Determine which nodes were successful and print them

confluent_client/bin/nodeeventlog

@@ -50,11 +50,11 @@ except IndexError:
     sys.exit(1)
 client.check_globbing(noderange)
 deletemode = False
-if len(sys.argv) > 3:
+if len(args) > 2:
     argparser.print_help()
     sys.exit(1)
-if len(sys.argv) == 3:
-    if sys.argv[2] == 'clear':
+if len(args) == 2:
+    if args[1] == 'clear':
         deletemode = True
     else:
         argparser.print_help()

confluent_client/bin/nodersync

@@ -104,7 +104,7 @@ def run():
                     if desc['type'] == 'stdout':
                         if node not in pernodeout:
                             pernodeout[node] = ''
-                        pernodeout[node] += stringify(data)
+                        pernodeout[node] += client.stringify(data)
                         if '\n' in pernodeout[node]:
                             currout, pernodeout[node] = pernodeout[node].split('\n', 1)
                             if currout: