Merge pull request #28 from MrSmith33/master

Add missing cast, fix warning.
Merge pull request #29 from MrSmith33/master

Make math.utils nothrow.
Added more matrix operators, generalized tensorProduct
Made Dual methods const
Added color unpacking
Renamed package.json to dub.json
Added contributors to dub.json
Fix to compile with LDC
Fixed compilation under Windows
Merge branch 'master' of https://github.com/gecko0307/dlib