Yoteichi plonk

## pipe.rb
## PIPE BY PAIP ON MATZ LISP
## 2014-12-23
# (primes 10)
# => [2, 3, 5, 7, 11, 13, 17, 19, 23, 29]

def make_pipe(head, tail)
  [head, tail]
end

def head(pipe)
	## PIPE BY PAIP ON MATZ LISP
	## 2014-12-23
	# (primes 10)
	# => [2, 3, 5, 7, 11, 13, 17, 19, 23, 29]

	def make_pipe(head, tail)
	[head, tail]
	end

	def head(pipe)