Results 12 issues of Alexandre Santos

Adds support for constructor options so stuff like the following is possible when you add documentation for constructor parameters. ![image](https://user-images.githubusercontent.com/2593480/71863876-2ccde300-30f6-11ea-8818-fbe0050349b0.png)

Currently, when creating a subprocess using `Deno.run`, the process stays in "zombie mode" even after it is killed. I've created a gist that reproduces this bug, and talked with @lucacasonato...

bug
cli