0.3.1: Correct incorrect nesting of [%guard]

Updated version number for release.

Added [%guard] extension

0.3.0

Updated version numbers for 0.3.0.

Introduction of let%orzero

Version 0.2.0 introduces a second syntax extension for use in zero-equipped monads.

Fix for recursive let%bind

A patch which corrects handling nested let%bind statements.

First release of ocaml-monadic

First release of ocaml-monadic.