update options that can be passed in:   number_type becomes :size   level becomes :size
update options that can be passed in:
  number_type becomes :size
  level becomes :size



git-svn-id: 69cc1cb8009a91cd32879d29920b1bca386e69a4@6 70f6ffcc-3070-48c7-8e95-2772f12856e8

trodrigu/rqrcode,bjornblomqvist/rqrcode,jlhonora/rqrcode,whomwah/rqrcode,dreamauya/rqrcode,auyaauya/rqrcode