4.2
===
Released: 20 December, 2014

* Enhancements
    * Added Java 8 examples
    * Added new website
    * Added Option.none_()
    * Gradle 2.2.1 support with wrapper
    * Added to Strings: isNullOrEmpty, isNullOrBlank and isNotNullOrBlank
    * Added Try with arity 0-8 for lambdas that throw exceptions
    * Added Effect with arity 0-8 for lambdas with a void return
    * Added TryEffect with arity 0-8 for lambdas with a void return that throw an Exception.
    * Conversion from Java 8 types to Functional Java types and vice-versa
    * Added monadic IO methods
    * Support instantiation of IO with lambdas
    * Added first class cons_ for List
    * Added partial application of first parameter for F 1-8
    * Added SafeIO that encodes IOExceptions into Validations
    * Added simple RNG
    * Added Reader, Writer and State
    * Deprecated $._
    * Added Array.scan family of methods
    * Support instantiating P1 values using lambdas to P.lazy
    * Added toString for Validation, P arities 1 to 8, Either
    * Added vending machine demo
    * Added Option.toValidation
    * Added map and contramap for F and F2.
    * Added partial application for F1.
    * Added filter and uncurried foldLeft and foldRight to FingerTree.
    * Added foldLeft, foldRight and map to Seq.
    * Accumulate Validation errors in a List.
    * Convert from fj.data.Stream to java.util.Stream and vice versa.
    * Added groupBy on List.
* Fixes
    * Various Javadoc issues
    * Large inserts into TreeMap
    * Javadoc support for Java 8
    * Null parameter NullPointerException for Show.anyShow
    * Exception propagation in test data generators
    * Product memoisation for arities 1 to 8
    * ClassCastException in class fj.data.Java
    * Fixed performance of Set.member.

Thanks to everyone who has contributed to this release.

Mark