Output the 99 bottles of beer song with numbers in words rather than integers

fancy_99_bottles.rb

require_relative 'english_number.rb' #https://gist.github.com/kylekeesling/4b73a984421f120312de
num_bottles = 999

while num_bottles > 0
puts "#{englishNumber(num_bottles)} bottles of beer on the wall,
#{englishNumber(num_bottles)} bottles of beer, take one down, pass it
around, #{englishNumber(num_bottles - 1)} bottles of beer on the wall!"

num_bottles = num_bottles - 1
end