code: function zip() { var i, j, len, result, seqs, nseqs
          seqs   = compact(arguments)
          len    = size(first(seqs))
          nseqs  = size(seqs)
          result = []
  
          for (i = 0; i < len; ++i) {
              result[i] = []
              for (j = 0; j < nseqs; ++j)  result[i].push(seqs[j][i]) }
  
          return result
      }
docs: /// Function zip /////////////////////////////////////////////////////////  (seq:Sequence...) ↦ Array  Merges all sequences into one, such that any given index of the resulting sequence is a sequence of the values at that index in all the given sequences.  :FIXME: come up with a description that does not suck monkey balls.