Wrap c->serve_static_file in Catalyst::View::XSendfile
Fixed permissions
Set the mime type before setting the X-Accel thing
Added tests for mime types, with 2 failings

EPUB is application/epub+zip, not application/x-epub+zip.
Fixed tests for mime types
Tweaked etag and save cpu cycles
Added failing tests
Add last-modified to prevent etag insertion on Xsendfile
Fixed (or kind of fixed) overrides
Ignore "var" directory