Added new Cancer data set
Updated API for computing classification accuracies
Improved formatting
Added a new LNKOptimizationAlgorithmStochasticGradientDescent class
LNKMatrix: added helper methods for shuffling matrices
Refactoring
Added basic hinge loss-based SVM classifier
Added SVM tests
Updated Xcode project
Simplified regularization API
Fixed a memory leak
Merge pull request #13 from mattrajca/SVM

Integrate basic SVM classifier