Adds Array#to_csv method that converts the contents of the array to CSV format.

Examples:

[['a', 'b'], ['c', 'd']].to_csv
#=> "a","b"\n"c","d"
['Report on somesuch', 
  ['name', 'value'],
  ['foo', 156],
  ['bar', 24]].to_csv
#=> "Report on somesuch"\n"name","value"\n"foo","156"\n"bar","24"

This gem is released under a broad open-source license. See LICENSE for more details.