activerecord-hackery/ransack v1.6.3

Ransack 1.6.3 for Rails 3 and 4 (bug fix)

on GitHub

• Fix a regression (#496) caused by ee571fe where passing a multi-parameter attribute (like date_select) raised RuntimeError: can't add a new key into hash during iteration, and add a regression spec for the issue.

Nate Berkopec, Jon Atack

• Update travis-ci to no longer test Rails 3.1 with Ruby 2.2 and speed up the test matrix.
• Refactor Nodes::Condition.

Jon Atack