version 0.5.3.
version 0.5.2
version 0.5.1.
version 0.5.0.
version 0.4.4.
version 0.4.3.
version 0.4.2.
version 0.4.1.
version 0.4.0 GHC API and Parsec2/3.
version 0.3.0
version 0.1.0