Merge pull request #4 from voberoi/master

Modify Gemfile to support Rails 4, documentation update
Get rid of config.active_record.whitelist_attributes

This config has been removed in rails 4.1
We want to support rails4 too!

Remove rails4 from allow_failure
remove mass_assignment_sanitizer config

deprecated in rails 4.1
Bump version
Merge pull request #5 from harrystech/bump_version

Bump version
Add @irubnich and me as gem authors
Generate seeds file even when applying specific migration

fixes #3
don't use class name when calling class methods from within the class
Merge pull request #6 from harrystech/update_seed_specific_migration

Generate seeds file even when applying specific migration