Implementation update

The toolset implementation changed to use str library. No new features added.

Bug fix release

Bug fix release.

Tools added.

Added tools norm-page and norm-text, plus a few small fixes.

Toolset redesigned.

The toolset has been redesigned, with core tools rewritten in C.

Update for tesseract v4.

Tools updated to work with tesseract v4.

Updated toolset

Added image normaliser and geometry string compositor.

First release

First release, beta version.