Surf Files

Changed

• Changes docs to show correct docs domain and gopkg.in/headzoo/surf.v1
• SetTransport takes a http.RoundTripper (@lxt2)

Added

• Adding support for select and file inputs in forms
• Support asynchronous src in scripts?

Fixed

• Add the ability to set form fields that weren't present in the form.
• When a form has more than one button with the same name, use the value to determine which button to click
• Copy request headers to avoid mixing across requests
• Allow input fields without values
• Allow use of Host header