[Cryptography Team] Cryptography: ThirtyTwoBitRegister extensions

[C. David Shaffer]

I removed the ThirtyTwoBitRegister extensions from Cryptography but this
hadan unintended side effect: If you've already loaded Cryptography into
a >= Squeak3.11 image, loading my publish will cause these important
methods to be removed.  I suspect that re-loading the proper kernel
package would fix this (I loaded System-ar.315.mcz from
source.squeak.org).  Should I add some kind of a Monticello post-load
script (if there is such a thing) to do this automatically or is a
version comment enough?

David