v0.3.0

What's Changed

• do not require geopandas to be installed since allagash doesn't direc… by @apulverizer in #36
• add geopandas and arcgis as extra_require by @apulverizer in #38
• v0.3.0 by @apulverizer in #37

Full Changelog: v0.2.3...v0.3.0