Codesign and support for rexx format.

Release 2.1.28

Release 2.1.27 (76).

Merge branch 'master' of https://github.com/sbarex/SourceCodeSyntaxHi…

…ghlight

Release 2.1.25

Added support for new formats and an experimental Shortcut Action.

Release 2.1.24 (73) with about info bugfix.

Release 2.1.23 (72)

Release 2.1.21

Release 2.1.20 (69).

Better support for Stata files (`.do`, `.ado`), fortran (`.f95`) and …

…LaTex (`.cls`) files.