Primitive support for xrange(): virtual-time xrange objects implemented as virtual-time list ranges (but Python will see 'type(xrange(100))==type([])').
Primitive support for xrange(): virtual-time xrange objects implemented as virtual-time list ranges (but Python will see 'type(xrange(100))==type([])').

tonysimpson/Ni,tonysimpson/Ni,tonysimpson/Ni,tonysimpson/Ni,tonysimpson/Ni