add hyperlink support for write_only workbooks
Created originally on Bitbucket by wardi (Ian Ward)
Changesets for this Pull Request have not been imported, because it had been already declined on Bitbucket. Marked as closed by the import user.
this change also overrides the hyperlink references to allow users to create cells with the WriteOnlyCell function (always set to “A1”) but have hyperlinks appear in the correct place