Log Message:
Update to 2.026000
Update DEPENDS

Upstream changes:
2.026000  2015-05-02 00:27:28-05:00 America/Chicago
 - Add new ::Schema::Verifier framework
 - ... including inaugural ::Verifier::C3

2.025003  2015-04-06 16:28:20-05:00 America/Chicago
 - Make ::OnColumnChange always allow mutating values before update
 - Fix documented args for `after_column_change`
 - Document ::OnColumnChange semantics a little bit more clearly

2.025002  2015-03-21 00:03:43-05:00 America/Chicago
 - Migrate ::RS::CorelateRelationship to an importable Util
 - Correctly set a parent class for all helpers