stop ever increasing table size when help is used
stop ever increasing table size when help is used

the helpers are reused between calls, so every invokation of the help
command would add another set of commands to the table

barryvdh/psysh,bobthecow/psysh,adetch/psysh,barryvdh/psysh,mubassirhayat/psysh,mubassirhayat/psysh,damiankloip/psysh,bobthecow/psysh,damiankloip/psysh,damiankloip/psysh,lvht/psysh,lvht/psysh,adetch/psysh