v1.16.0

What's Changed

• sort an image collection using multiple properties by @fitoprincipe in #445
• refactor: avoid sorting in groupInterval by @12rambau in #452
• enhance ee.String.geetools.format with numbers and dates formatters by @fitoprincipe in #443
• fix: add back Citation and DOI by @12rambau in #450
• fix: drop the failing getattr recurtion by @12rambau in #453

Full Changelog: v1.15.0...v1.16.0