- version 1.0-20 starts here 
- NA in precomputed variogram vv caused lollipop3d to fail in demo/stkrige.R

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/gstat@84 edb9625f-4e0d-4859-8d74-9fd3b1da38cb