The Precipitation's DateTime method comment was adjusted to better reflect its functionality. Instead of stating it returns true if the precipitation data was available at the time of the query or not, it was clarified that the method actually returns the DateTime when the Precipitation value was recorded.
- Renamed types from ObservationXXX to generic type names
- Put generic types into their own files
- Added CurrentWeatherByCoordinates
- Added Source type and made it available for Temperature types