Prepared first version of pmxchords.lua script.
Lua refactoring: added base tests for ChordsTr.lua class.
Lua refactoring: prepared new README2 file - new project structure and call pmx2pdf script.
Lua refactoring: improved pmxchords.lua. Added musixtex_steps.lua to make three pass musixtex steps.
Lua refactoring: new version of pmxchords.lua. Added some options ...
Lua refactoring: musixtex_steps can change tex interpreter by environment variables.
Lua refactoring: improved README.
Lua refactoring: remove old perl and sh scripts. Move lua scripts to upper directory.
Lua refactoring: reformat code and added copyright to ChordsTr.lua
Lua refactoring: added documentation and manual pages written by Bob Tennent.
Lua refactoring: fixed schema build.sh to use pmxchords.lua and musixtex_steps.lua.
Added gradle build ...
Added source of chords reference tables. Fixed pmxchords.lua - stop processing when pmxab fail.
Gradle build now prepare whole pmxchords.tds.zip and pmxchords.zip for upload to ctan.