created command class
removed old command system
implemented subcommand system
implemented help command
updated plugin.yml
fixed help command
updated plugin.yml
 implemented blank command
 implemented reload command
 implemented givetoken command
improved invalid args error
fixed invalid args error
fixed invalid args again
 implemented deletereward command
 implemented listrewards command
 implemented listhistory command
fixed double spaces in plugin help
implemented the rest of the original commands
removed commented out old command code
updated readme command reference