Memoize Example
===============
Shows how to memoize a set of subs using a regular expression. Two
calibrators are created, and some colors are calibrated on them. We
use several sets of parameters to demo that Memoize is correctly
keying by them.
Sample output:
Trying [RGB:acme:red] twice
Computed result: 255 0 0
Memoized result: 255 0 0
Trying [RGB:zerox:red]
Computed result: 255 0 0
Trying [RGB:acme:blue]
Computed result: 0 0 255
Trying [CYMK:acme:cyan] twice
Computed result: 100 0 0 0
Memoized result: 100 0 0 0