Squashed 'sglib/' changes from 07b48f5..470987c

470987c New path handling for sglib.settings

git-subtree-dir: sglib
git-subtree-split: 470987c6b465389205bb1a241eb78855b0d37af2
Merge commit 'ed9425f96a7d9a60d498e370bf78833d51f8c161'
Added fzeros_mult function
Expanded the test for analytic KL for exponential kernel