What's Changed
* New features, population divided by age by zenodallavalle in https://github.com/zenodallavalle/italy-geopop/pull/14
* Added the possibility to access population data in three different ways: total (overall), auto-generated age groups and custom age groups
* For custom age groups labels can be customized too
* Changed database format to Apache Arrow format (increased loading speed)
* Added `compose_df` method to Geopop class which lets you get a dataframe with administrative, geospatial and population data according to your needs without registering a pandas accessor (closes https://github.com/zenodallavalle/italy-geopop/issues/2)
* updated docs by zenodallavalle in https://github.com/zenodallavalle/italy-geopop/pull/15
**Full Changelog**: https://github.com/zenodallavalle/italy-geopop/compare/v0.3.0...v0.4.2