Added an abstraction layer to virtualize the access to files, so that non-filesystem-based stores can be used (such as the VirtualPathProvider for ASP.NET applications).
Modified code to use a virtual file system for reading files. SASS/SC…
…SS includes however don't work yet due to the ruby code trying to read files directly instead of using the virtual file system.
Greatly enhanced the PAL for Ruby to support read access to virtual f…
…ile system, embedded resources and file-backed cache (with virtualized paths)