Sets a cookie.

Example:

zimki.cookie.set('mycookie','my cookies value is foo');

zimki.cookie.set optionally takes a third parameter which is a duration string. Examples of valid duration strings are:

For example:

zimki.cookie.set('mycookie','my cookies value is foo, and will expire in 10 minutes', '+10m');

Finally zimki.cookie.set can also take a third parameter which is a text path to limit the cookies validity to.