extensions/range library

Extensions

MyUtilityExtensionComparableRangeTo on T
MyUtilityExtensionDoubleRangeTo on double
Special variant for double which implements Comparable<num> and therefore doesn't work for the Comparable<T>.rangeTo(T) extension
MyUtilityExtensionIntRangeTo on int
The equivalent for double is MyUtilityExtensionDoubleRangeTo