Change GPathInfo to GRequestInfo
Change GPathInfo to GRequestInfo

The idea is that GRequestInfo will capture both FromRequest and ToURL.

This was needed becuase I had to make Form an instance of GPathInfo,
but GPathInfo doesn't have enough information.

diffusionkinetics/open,filopodia/open,filopodia/open,diffusionkinetics/open,diffusionkinetics/open