Refactor filesystem to not be dependent on a server struct

server/filesystem/stat_windows.go

@@ -0,0 +1,12 @@
+package filesystem
+
+import (
+	"time"
+)
+
+// On linux systems this will return the time that the file was created.
+// However, I have no idea how to do this on windows, so we're skipping it
+// for right now.
+func (s *Stat) CTime() time.Time {
+	return s.Info.ModTime()
+}