- Remove exported variable `ErrEncrypt`

- New exported constant `ErrWorkbookPassword`
- Rename exported constant `ErrWorkbookExt` to `ErrWorkbookFileFormat`

Ref #1129, make `SetRowStyle` overwrite style of the cells

Added two exported functions `SetWorkbookPrOptions` and `GetWorkbookPrOptions` to support setting and getting the code name property of the workbook
Re-order fields of the workbook properties group to improve the compatibility
Go Modules dependencies upgrade
Put workbook related operating in new `workbook.go` source code
Library introduction docs block updated

Fix file corrupted when save as in XLAM / XLSM / XLTM / XLTX extension in some case
New exported error ErrWorkbookExt has been added, and check file extension on save the workbook
Format source code with `gofumpt`

Rename exported constants `NameSpaceDublinCoreMetadataIntiative` to `NameSpaceDublinCoreMetadataInitiative`

- Unzip shared string table to system temporary file when large inner XML, reduce memory usage about 70%
- Remove unnecessary exported variable `XMLHeader`, we can using `encoding/xml` package's `xml.Header` instead of it
- Using constant instead of inline text for default XML path
- Rename exported option field `WorksheetUnzipMemLimit` to `UnzipXMLSizeLimit`
- Unit test and documentation updated

- Close spreadsheet and row's iterator required
- New options `WorksheetUnzipMemLimit` have been added
- Improve streaming reading performance, memory usage decrease about 93.7%

- Fix formula percentages calculated incorrectly
- Make UpdateLinkedValue skip macro sheet
- Fix conditional format bottom N not working

- Support text comparison in the formula, also ref #65
- `GetCellValue`, `GetRows`, `GetCols`, `Rows` and `Cols` support to specify read cell with raw value, ref #621
- Add missing properties for the cell formula
- Update the unit test for the `CalcCellValue`

- Make unit test on Go 1.7
- API documentation updated

- Make variable name more semantic
- Reduce cyclomatic complexities for the formula calculate function
- Support specified unzip size limit on open file options, avoid zip bombs vulnerability attack
- Typo fix for documentation and error message

- Rename exported field `File.XLSX` to `File.Pkg`
- Exported error message

This closes #861, support concurrency get cell picture and remove unused internal function `getSheetNameByID`

This closes #652, new SetColWidth API, support set column width in stream writing mode, and export error message

Go 1.15 and later required, #65 fn: IMABS, IMCOS, IMCOSH, IMCOT, IMCSC, IMCSCH, IMEXP, IMLN and IMLOG10

typo fixed

* Fixed UpdateLinkedValue which returns an error when there is a graph sheet
Signed-off-by: Nyuuki.ono <yagfair@gmail.com>

* fix refactoring from review
Signed-off-by: Nyuuki.ono <yagfair@gmail.com>

miss a char as 'l' in the excel.

* use io.Copy from stream temp file to zip Writer

* fix nil

* log

* build

* delete log

* fix compatibility for office

* Update go module
Co-authored-by: Nlijingfeng <lijingfeng@laiye.com>
Co-authored-by: xuri <xuri.me@gmail.com>

* extend cell value load to support custom datetime format

* cleanup incorrect imports

* fix numeric values conversion as done in legacy Excel

* fix tests coverage

* revert temporary package name fix

* remove personal info from test XLSX files

* remove unused dependencies

* update format conversion in parseTime

* new UT to increase code coverage

* Resolve code review issue for PR #703

* Rename broken file name generated by unit test
Co-authored-by: xuri <xuri.me@gmail.com>