ICookieManager - Improve xmldoc wording around how methods are executed.
ICookieManager - Improve xmldoc wording around how methods are executed.

Most methods are executed in an async fashion with a callback that notifies of completion.
Set ICookieManager.DeleteCookies params to null by default (they're optional)

Livit/CefSharp,Livit/CefSharp,Livit/CefSharp,Livit/CefSharp