v1.7.28

What is Changed

• Add substring convenience functions by @akashmalbari in #722
• Add standardize transform for numeric fields by @akashmalbari in #723
• Fix row orientation for XLSX cell and row/column ranges by @rastagan-git in #724
• Document configuration defaults and when they are applied, by @rastagan-git in #725
• Preserve missing-cell positions in see() output by @rastagan-git in #726
• Refactor/improve CI by @juarezr in #727

Full Changelog: v1.7.27...v1.7.28