imgw 0.2.1

imgw 0.2

New datasets
- Synop data from ogimet (http://ogimet.com/index.phtml.en)
New functions
adding function for reading station's coordinates from "Ogimet" webportal
- ogimet() - downloading Synop hourly or monthly data from the "Ogimet" webportal
  - ogimet_hourly() - downloading Synop hourly data from the "Ogimet" webportal
  - ogimet_daily() - downloading Synop daily aggregates from the "Ogimet" webportal
- ogimet_stations() - retrieving geographical coordinates, altitude, WMO IDs and station names for the user-specified country nam; optionally plot results on a map
Improvements
Bug fixes
- Fixes a bug in the hydro_daily() that prevented from merging more than 1 dataset

Deploying the package on CRAN!
New functions
- New function meteo() for downloading monthly, daily, and hourly meteorological data
- New function meteo_monthly() for downloading monthly meteorological data
- New function meteo_daily() for downloading daily meteorological data
- New function meteo_hourly() for downloading hourly meteorological data
- New function hydro() for downloading semiannual and annual, monthly, and daily hydrological data
- New function hydro_annual() for downloading semiannual and annual hydrological data
- New function hydro_monthly() for downloading monthly hydrological data
- New function hydro_daily() for downloading daily hydrological data
- New function meteo_metadata() for downloading the metadata of the meteorological data
- New function hydro_metadata() for downloading the metadata of the hydrological data
- New function meteo_sounding() for downloading the mea (i.e. measurements of the vertical profile of atmosphere) sounding data
New datasets
- New dataset meteo_stations containing Polish meteorological station's localizations
- New dataset hydro_stations containing Polish hydrological station's localizations
Improvements
- Added a NEWS.md file to track changes to the package.