quit needs to close all browser

[amirrajan]

the quit() method needs to close all browser if there are multiple browsers open

[lefthandedgoat]

let mutable browsers = []
let start2 b =
start b
browsers <- browsers @ [browser]

let quit2 browser =
match box browser with
| :? OpenQA.Selenium.IWebDriver as b -> b.Close()
| _ -> browsers |> List.iter (fun b -> b.Close())

[lefthandedgoat]

added in 0.5.8

quit() closes all, quit myBrowser closes the specific instance