Refactoring based upon tickets #287 #288
Implemented ticket #355 "Enable code metrics for MATLAB files"
Refactoring commit based upon tickets #287, #288 Cleaned dataaccess.cpp, dataops.cpp and removed an issue in kernel.cpp
Fixed issue #350 "'delete' seems to have issues with explicit index values" Additionally, the code was cleaned up in multiple files
Fixed issue #342 "'datagrid' has issues with non-symmetric data sets"
Implemented ticket #331 "Allow selection of lines for duplicate code analysis"
Fixed issue #348 "Sectioning in textfiles not working correctly"
Fixed issue #339 "Flickering on Win 10 1803"
Fixed issue #340 "Using index vectors on table headlines impossible"
Fixed issue #345 "'load' cannot handle 'string()' together with a parameter"