Implemented ticket #536 "Refactor code for old commands"
Implemented part of ticket #536 Initial rework of plugin_histogram.cpp
Implemented part of ticket #536 Resolved a bug in plugin_statistics.cpp and added documentation comments.
Implemented part of ticket #536 Initial rework of plugin_statistics.cpp
Implemented part of ticket #536 Reworked code vor plugin_random.cpp
Resolved an regression introduced with ticket #533 The procedure viewer now works as expected again.
Implemented ticket #539 "Relative filepaths on the editor tabs"
Implemented ticket #532 "Create 'transpose' function for the editor"
Fixed issue #537 "Resolve CppCheck issues"
Implemented ticket #534 "Add a 'load to table' context menu entry"