madlib 1.9.1.
madlib 1.9.1.

Also fixes some audit problems (`brew audit --strict --online madlib`
now reports no defects).

The test block has been rewritten to be more compatible and work with
sandbox restrictions (see https://github.com/Homebrew/homebrew-core/issues/5393).

Closes #4360.

Signed-off-by: Jonathan Chang <0bd51b8a224feeddb634965eebae512adcd49a8d@gmail.com>

quantumsteve/homebrew-science,pditommaso/homebrew-science,heuermh/homebrew-science,andrewjpage/homebrew-science,maplesond/homebrew-science,philippbayer/homebrew-science,dpo/homebrew-science