Metno-locationforecast

A minor release adding some functionality.

Added

- Save location configuration now has support for home directory ('~/') and
relative ('../') path notations, fixing
[3](https://github.com/Rory-Sullivan/metno-locationforecast/issues/3)
- Updates requests dependency to be more permissive, fixing
[5](https://github.com/Rory-Sullivan/metno-locationforecast/issues/5)

The first official release.

Added

- Place class for storing location information
- Forecast class for handling fetching, parsing, storing and caching of data
- Update method for performing an all-encompassing update of data
- Load method for loading data from a cached file
- Save method for saving data
- Data class for storing data
- Interval class for storing data related to an interval
- Methods for retrieving intervals for a given day and intervals between given
times
- Variable class for storing variables
- Support equality and comparison operations provided units are the same
- Method for converting units
- Support for configuration to be stored in a configuration file (setup.cfg or
.locationforecast)