Moved check for if operation should be generated to sane place.
Merge branch 'master' of git://github.com/Danack/ArtaxServiceBuilder

* 'master' of git://github.com/Danack/ArtaxServiceBuilder:
  Testing 2fa.
  Support Guzzle-style 'required' flag for param. Tidied up use statements. Added hack to exclude meetup variable variables.