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Fixed a typo in the gemspec.
Updated the copyright dates.
Updated the release date for 0.4.0.
Updated the Benchmark page.
Shorten the list_comprehension benchmark.
Start at 10.
Shortened the choose benchmark.
Fixed ordering issues with Set on Ruby 1.8.7.
Include Permute::Mixin into Set.
Put all monkey patches in extensions/ directories.
"k" local variable is more appropriate here.
Added a @author tag.
Don't call choose() repeatively, since it has to call self.to_a.
Use the primary methods in the examples.
Removed aliases from Choose::Mixin and Permute::Mixin.
Use better @see tags.
Improved the @example for choose.
Improved the @example for permute.
Make sure choose filters out repeated elements.
No need for zero?, 0.0 == 0.
Removed empty? checks.
Cleaned up the powerset @example.
Removed old examples.
Changed Combinatorics::PowerSet::Mixin to use Choose::Mixin.
Changed choose to always return Sets.
Alias choose to combinations.