+ ImageUtils module.
+ UsualRings.
+ as*Matrix function
+ SumOperation.
+ apply -> map
+ add some "times" operation
+ subVector & getArea
+ matrixResultant
fix test
+ fix MatrixResultant & add test.
+ ImageContainers
+ resultant operation for numbers.
+ Image.kt
+ generic Container
+ Make Vector and Matrix covariant
drop Image