It took a while but it's finally here. This version support Swift 3.2 and Xcode 9.

Other changes include:

• Fix Matrix initialization bug
• Add Swift Package Manager support
• Fix Carthage support.
• Make rows and columns properties public
• Add sum of square values.
• Add some helper methods for matrix
• Add subscript support to return specific row or column
• Add support for scaling matrix by row or by column
• Make pow support applying to every element
• Add subtract method and operator