Type check dimension in make-array

[Affonso-Gui]

Because of 5343112, make-array with null argument is causing segmentation fault in cl-compatible.

(make-array nil)
;p=pointer?(0x4d7f3b8)
;; Segmentation Fault.
;; in (slime:slimetop)
;; You are still in a signal handler.
;;Try reset or throw to upper level as soon as possible.
;; code=698178160 x=299d5940 addr=fffe

Until now using nil caused integer expected errors in

EusLisp/lisp/l/array.l

Lines 104 to 106 in 7ee9f2e

	(let* ((i 0)
	(rank (length dim))
	(total-size (apply #'* dim)))

[Affonso-Gui]

Travis jessie tests are skipped as described in #370.

Other tests are successful.