v.0.2.3

What's Changed

• Feature/arcgis online by @marcelovilla in #48
• Unit tests by @marcelovilla in #49
• Make sure resolve function only passes unique names (excluding Nans) … by @marcelovilla in #50
• Feature/51 by @marcelovilla in #52

Full Changelog: v.0.2.2...v.0.2.3