Try create XlsxFormulaEngine
Introduce AST for xlsxformulaengine
xlsxformulaengine: Take use of QtTest
xlsxformulaengine: Add ^ support
xlsxformulaengine: Add % support
xlsxformulaengine refactor: Move XlsxCellData to it's own file
xlsxformulaengine: Treat as numeric if can be convert to double
xlsxformulaengine: Add Text Concat support
xlsxformulaengine: Add comparation support
xlsxformulaengine: Introduce space token
xlsxformulaengine: Try add function expression support
xlsxformulaengine: code refactoring
xlsxformulaengine: code refactor
xlsxformulaengine: Add basic NAME | CellReference support.
xlsxformulaengine: code style refactoring
xlsxformulaengine: Add ERROR constant literal support.
xlsxformulaengine: add missing header file

fix compiled error for MinGW
xlsxformulaengien: Introduce cellreference for "A1" "1:1" "A:A" "A1:A3" etc.
xlsxformulaengine: Add basic support for cell range
xlsxformulaengine: rename the token name for ^