Added support for Console auto-complete

lib/ui/commands/fps_command.rb

@@ -10,6 +10,11 @@ class IMICFPS
       end
 
       def handle(arguments, console)
+        if arguments.size > 1
+          console.stdin("to many arguments for #{Style.highlight("#{command}")}, got #{Style.error(arguments.size)} expected #{Style.notice(1)}.")
+          return
+        end
+
         case arguments.last
         when "", nil
           console.stdin("#{Style.highlight("fps")}: #{$debug.get(:fps)}")

lib/ui/commands/help_command.rb

@@ -17,6 +17,8 @@ class IMICFPS
         if command
           if cmd = Command.find(command)
             cmd.usage
+          else
+            "#{Style.error(command)} is not a command"
           end
         else
           "Available commands:\n#{Command.list_commands.map { |cmd| "#{Style.highlight(cmd.command)}" }.join(', ')}"