* release/0.2: (76 commits)
  Updated the rakefile.
  Version bump to 0.2.0
  bump version to 0.2
  Allow group_count on enumerable to work without a block
  Added latest pipes jar.
  Small tweaks.
  Don't change a property unnecessarilly.
  properties setter.
  There's nothing to prevent classes from being extensions.
  Added a range to most_frequent which makes it much more useful.
  Refactor bulk_job into its own module.
  Shortcut to print multiple properties from the elements in a route.
  Added better options to to_route
  Make sure all add_extension methods return self so they are chainable.
  Make group_count without arguments group on the element itself and add most_frequent and all_but_most_frequent because I've needed them in a couple of places.
  make #one? more robust
  minor change...
  Reuse a route by changing its source.
  enumerable .one? and .many?
  Add extensions on .results
  ...