Version 3.3.2

Fixed an omission in an example script.

Version 3.3.1

Added four new generators (copy-and-strip, range, len, indexed-element), fixed a slew of bugs, and wrote two small example scripts.

Version 3.0.1

Fixes a bug which caused macro expansions to trash their surrounding scope.

Version 3.0.0

Includes the new arithmetics generator.