Changes to the Shoes DSL

The Shoes DSL is wonderful, but it does have some quirks. In Shoes 4, we are making changes to the DSL where necessary for clarity and consistency, and even to add features!

Here's a summary of the changes to the Shoes DSL in Shoes 4

Feature	Shoes 3	Shoes 4
out-of-bounds rgb colors	Wraps values, so that 256 is equivalent to 1, and -1 is equivalent to 255. Likewise, 1.1 is equivalent to 0.1, and -0.1 is equivalent to 0.9.	Uses the closest valid value, so that 256 is equivalent to 255, and -1 is equivalent to 0. Likewise, 1.1 is equivalent to 1.0, and -0.1 is equivalent to 0.0.