Additional features:

• memory profiling
• nsgaii
• new operators

As well as various bug fixes.

This is intended to be the last stable build targeted to Java 8.

Big improvements are the ability to handle multi-class projects, gradle and maven build tools, built-in profiler and sampling utilities, test case generation, and a load of new edit operators.

All is described in the paper "Gin: Genetic Improvement Research Made Easy" at GECCO 2019.

The original Gin: a slightly extended version of that in the GECCO 2017 paper.

Targets single class Java applications, with a single unit test class. Statement level edits copy/move/delete/modify.