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* Added Hash#reverse_merge, Hash#reverse_merge!, and Hash#reverse_update to ↵David Heinemeier Hansson2005-09-111-0/+25
ease the use of default options. Added :connector and :skip_last_comma options to Array#to_sentence git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2192 5ecf4fe2-1ee6-0310-87b1-e25e094e27de