- more details on the error messages (e.g. when wrong ROI is proposed)
- add a start up message when the package is loaded with invitation to cite package in publication
- fixing bug in time extent for some collections (#18)
- removing several VIIRS from the list of available datasets due to their deprecation on the USGS LP DAAC OPeNDAP server
- update function import data to deal with both multiple time frames and modis tiles