code: public Collection<String> getCommands() {
          List<String> commands = new ArrayList<String>();
          for (String cmdOwner : m_cmdsByOwnerMap.keySet()) {
              SortedMap<String, RESTCommand> ownerCmdMap = m_cmdsByOwnerMap.get(cmdOwner);
              for (String name : ownerCmdMap.keySet()) {
                  RESTCommand cmd = ownerCmdMap.get(name);
                  commands.add(String.format("%s: %s = %s", cmdOwner, name, cmd.toString()));
              }
          }
          return commands;
      }
docs: Get all REST commands as a list of strings for debugging purposes.
  
  @return  List of commands for debugging.