Next bunch of fixes:
http://github.com/nrk/ironruby/compare/793effd...e7492dc (see also the
e7492dc Make a minor style change.
35d6011 Set taint and trust flags on the resulting packed string in
2e9e125 Fix: Array#pop raises a RuntimeError on a frozen array even
when it is empty.
437e5bd Implement support for format specifier options in Time#strftime.
c7ca6f4 Fix some minor failing specs for Time.
f39ca06 Fix failing specs for Comparable.
e9b5ff9 Fix all the failing specs for Bignum.
84bcdb4 Update the specs for Bignum#&, Bignum#| and Bignum#^ (RubySpec
I updated the specs for Bignum#&, Bignum#| and Bignum#^ just because
there was a bug in them (already fixed in RubySpec’s repository) when
running on 1.9.