Sometimes, `STDIN` is not defined when trying to start advanced
interactions. So we must ensure that `STDIN` is correctly set.

Now we are able to set our own instance of `Tput` class.

Since the `Window` class is a singleton, its constructor must be
private.

Instead of using hard-coded number for pointer codes, we introduce
constants:

  * `BUTTON_LEFT`,
  * `BUTTON_MIDDLE`,
  * `BUTTON_RIGHT`,
  * `BUTTON_RELEASE`,
  * `WHEEL_UP`,
  * `WHEEL_DOWN`.

These codes are the ones used by the terminal.

Instead of silently continue to loop when `stream_select` fails or timed
out, i.e. when we no longer have a mouse input, we break the loop and
untrack when `stream_select` fails. When it times out, we continue to
loop.

The first argument passed to `getOption` is a reference. Its value was
not reset each time. Now this is fixed.

The readline was previously based on `STDIN`. Now it is based on
`Console::getInput` as every other classes in the `Hoa\Console`.

1. We need it to test advanced part of the API,
2. If a system is missing it, we can fallback to this database.

As @jubianchi noticed, `setUp` runs in the parent process, no inside all
child processes. This is what we expect.