small Ctags fix

version bump

more font upgrades

Version 6.15 - various upgrades

Version 6.13: Tree explorer cut/copy/rename/delete updates

added missing new file explorer tab icon

'session save' bug fix

Version 6.3

- added new right-click context menu to all editors
- completed the new C node tree functionality

Version 6.2

- added new CustomPython lexer wich is now used with Python files
- added nim_lexers module, ready for compilation
- updated images and licenses
- various bugfixes
- memory usage improvements

updates in the main module for the latest cx_freeze version