- Simplify and remove duplicate code for optimization
- Update documentation comments with typo fix
- Handle error return to save the workbook
- Add file path length limitation details in the error message
- Remove the `Lang` field in the `Style` data type
- Rename field name `ShortDateFmtCode` to `ShortDatePattern` in the `Options` data type
- Rename field name `LongDateFmtCode` to `LongDatePattern` in the `Options` data type
- Rename field name `LongTimeFmtCode` to `LongTimePattern` in the `Options` data type
- Apply built-in language number format code number when creating a new style
- Checking and returning error if the date and time pattern was invalid
- Add new `Options` field `CultureInfo` and new exported data type `CultureName`
- Add new culture name types enumeration for country code
- Update unit tests
- Move built-in number format code and currency number format code definition source code
- Remove the built-in language number format code mapping with Unicode values
- Fix incorrect number formatted result for date and time with 12 hours at AM
- Simplify variable declaration and error return statements
- Remove the internal `xlsxTabColor` data type
- Using the `xlsxColor` data type instead of `xlsxTabColor`
- Update unit test, improve code coverage