Elm 0.19 made sevral changes:
rem to remainderByflip,curry, and uncurryThe toString function was moved to the Debug module. It is not possible to
re-implement it here.
Flip the order of the first two arguments to a function.
Change how arguments are passed to a function. This splits paired arguments into two separate arguments.
Change how arguments are passed to a function. This combines two arguments into a single pair.
Find the remainder after dividing one number by another.