fukamachi/cl21 — pull request #37 by EuAndreh (2014-02-21 13:53:52+00:00)
Title: Added dlet and mlet to abbr.lisp

Added `dlet` and `mlet`.

It behaves more similarly to `let` than `destructuring-bind` or `multiple-value-bind`, but doesn't accept variables bound to nil.

```lisp
(dlet ((a b) (1 2)
(c d) (3 4))
(list a b c d))
=> (1 2 3 4)
```