Ignoring sublime files.
Simple sgrad benchmark
Renamed V64 vector type to F64
Introduced vector.B for boolean vectors.
Array helper functions
Introduced MatFile object
Logistic Regression binary classifier.
Small API improvements
Catching up on other refactorings.
pgm7 logistic regression example
removed extra vector allocation
Fixed array row/column ordering.
Vector comparison
And now regression really works!

I was stupid enough not to figure out the bug but "explain" it.
Addressed review comments
Review nits.
Merge pull request #4 from mikea/sgradient

Logistic Regression Binary Classifier.