Merge pull request SMTorg#205 from relf/master

Fix MFKPLSK bug

Merge pull request SMTorg#204 from relf/fix-packaging-dependency

Fix packaging dependency

Merge pull request SMTorg#203 from relf/fix-mfkpls-bug

Fix mfkpls bug

fix ego example

bump 0.4.3

doc update again

bump 0.4.1

Merge pull request SMTorg#179 from relf/improve-setup-doc

Improve setup doc

Merge pull request SMTorg#161 from relf/master

Cover predict_variances

bump 0.3.3