2 tests fail with Ruby 2.0

[callenb]

When running tests under Ruby 2.0, I get two errors. Since I'm off on holiday for a couple of weeks I won't be addressing these just yet.

[13/64] TestDay#test_subtract_minutes_in_a_patterned_day = 0.01 s

1. Error:
   test_subtract_minutes_in_a_patterned_day(TestDay):
   TypeError: Rational can't be coerced into Rational for bitwise arithmetic
   /home/barrie/dev/wp/lib/workpattern/hour.rb:64:in `&'

AND

[45/64] TestWorkpattern#test_calculate_across_week_patterns = 0.04 s
2) Error:
test_calculate_across_week_patterns(TestWorkpattern):
TypeError: Rational can't be coerced into Rational for bitwise arithmetic
/home/barrie/dev/wp/lib/workpattern/hour.rb:64:in `&'

[callenb]

After a lovely holiday in Turkey this bug has been fixed and will be released in the next release