Merge pull request #1 from wrathematics/master

merge
Merge pull request #2 from wrathematics/master

Bugfixes
Merge pull request #3 from wrathematics/master

Updates
Merge pull request #4 from wrathematics/master

Fixed typo in verify.chol()
Merge pull request #5 from wrathematics/master

Rearranged preamble
Merge pull request #6 from wrathematics/master

Updates
Merge pull request #7 from wrathematics/master

Updates
Merge pull request #30 from RBigData/master

Updates