class Hash

# File lib/keen-cli.rb, line 14
def deep_merge(hash)
  target = dup
  hash.keys.each do |key|
    if hash[key].is_a? Hash and self[key].is_a? Hash
      target[key] = target[key].deep_merge(hash[key])
      next
    end
    target[key] = hash[key]
  end
  target
end