v4.1.0

This version is a minor release which comes with the following new features, enhancements and bug fixes:

New features

• Issue #283: Add size method in Rules API
• Issue #288: Update Rules#register / Rules#unregister methods to accept varargs
• Issue #271: Add support for Apache JEXL

Bug fixes

• Issue #291: Update RuleProxy to accept types implementing Comparable

Documentation

• Issue #316: Update Javadoc about rule comparison
• Issue #320: Document composite rules about their thread unsafety

I would like to thank all contributors who helped making this release possible!