Merge pull request #69 from iwiznia/master

Added option 'position' to the filters
Version bump to 0.9.1
Regenerate gemspec for version 0.9.1
Array driver in readme
Make tests for helper_spec to work

* get rid of deprecations for stub!
* fix exception in the test about protect_against_forgery? is not
* defined
Merge pull request #72 from ka8725/fix_helper_tests

Make tests for helper_spec to work
Grid initializer accepts block as scope
Fix failed tests for form_builder_spec

* remove input hidden from the matching
Merge pull request #73 from ka8725/fix_form_builder_tests

Fix failed tests for form_builder_spec
Merge pull request #75 from ka8725/initializer_accepts_block

Grid initializer accepts block as scope
Version bump to 0.9.2
Regenerate gemspec for version 0.9.2
Improve spec
Reuse dynamic block arguments application
appending scope on initializer
Doc
Dummy filter option
Refactor
docs
Version bump to 0.9.3