Pyqode.cobol

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Improvements:
- OffsetCalculator: allow user to resize columns
- OffsetCalculator: handle REDEFINES and COMP fields

Fixed bugs:
- OffsetCalculator: fix wrong offset calculation for lvl 78/88
- OffsetCalculator: fix some gui bugs

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Fixed bugs:
- Fix pic field regex missing ``OCCURS`` and ``INDEXED BY``

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Fixed bugs:
- Fix conflicting goto shortuct: use F7 instead of F3 which is already used by the search & replace panel.

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Improvements:
- Show picture information in outline widget
- Improve linux icon theme integration (icon like code-variable,
code-function will be fetched from icon theme if the theme has theme,
e.g. on plasma 5 with breeze icon theme)

Fixed bugs:
- Fix division/section not correctly recognized in case where the user
added some spaces before the keyword and the period
- Fix auto-indent of file where column 1-6 are not empty

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New features:
- Add support for stdeb (ppa packages will be available soon)
- Add support for bdist_wheel
- Rework editor context menu

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New features:
- Unified API for document outline (see pyQode/pyQode24)

Fixed bugs:
- fix comment/uncomment in fixed mode when the column 1-6 are not empty (see OpenCobolIDE/OpenCobolIDE108)