v0.3.0

Development version of KrigR.

Full removal of rgdal dependency which keeps breaking the installation for users.

Manual Changelog:

1. Introduced functionality:
   • CovariateSetup() function to prepare Covariates for Kriging
     • Can prepare GMTED2010 data
     • Also allows user-supplied covariate data to be supplied and subsequently prepared
   • Kriging() function for (multi-core) Kriging
     • No longer allows skipping of layers with data issues. The user will be alerted of these
     • Better progress bar than previous
2. Old functions still deprecated

What's Changed

• Development by @ErikKusch in #77