CrArray is a dynamic variant array class with built-in checks and
CrGlobal is the global class containing the
generic procedures which are useful, general, and totally encapsulated.
CrVersion is a representation of a version of a project which extends the
XFree86 version scheme.
UInt is an implementation of a 16-bit unsigned integer
ULong is an implementation of a 32-bit unsigned integer
UnsignedInteger is a generic implementation of an unsigned integer.