Shootable Platform

There are many ways to use the bullet collision with platforms. Here are a few:
 * 1) Make a lazer that transforms platforms to crates:
 * 2) *add platform name:shootablePlatform
 * 3) *collision add begin shootablePlatform bullet remove this
 * 4) Use the shootablePlatform to build secret passage ways.
 * Examples:
 * row shootablePlatform 3 5 10