v0.2.1, 05.07.13 -- Initial Release
v0.3.1, 06.12.13 -- Added support for Hershey Fonts (Matthias Blaicher)
v0.3.2, 11.12.13 -- CellArray now supports non-orthogonal spacing
                 -- Block uses attribute .spacing
                 -- Use git_version for automatic distribution numbering from git tag
v0.3.3, 11.12.13 -- git_version module now included in distribution                