Merge pull request #118 from jrmhaig/prepare_release

Prepare version 3.3.0

Version 3.2.0

Version 3.1.0

Version 3.0.0

Bump version to 2.1.0

updated readme a tad, bump version number

Updated readme

Added override methods

Issue Tracker #1: Changed default inheritance style, updated readme, …

…incremented version

Implemented multi-lambda customizer, incremented version