Sequence equality is broken

[frenchy64]

clojure.core=> (= (range 5) (range 5))
false
clojure.core=> (= () (lazy-seq))
false


;; from clojure-test

FAIL in (nil) (nil:nil)
expected: (= (range 1) (butlast (range 2)))
  actual: (not (= (0) (0)))

FAIL in (nil) (nil:nil)
expected: (= (range 2) (butlast (range 3)))
  actual: (not (= (0 1) (0 1)))

FAIL in (nil) (nil:nil)
expected: (= (range 3) (butlast (range 4)))
  actual: (not (= (0 1 2) (0 1 2)))

[jeaye]

I suspect this is related to #87, which is due to chunked seqs being borked. This is some very intricate C++ code which needs a better design. I have one in mind, but I'm likely the only one with enough knowledge to do it and other things have priority.