Re-write data fullreader & reader

Moved directory and the rest of the inodes to manual decoding

file.go

@@ -13,14 +13,13 @@ import (
 
 	"github.com/CalebQ42/squashfs/internal/routinemanager"
 	squashfslow "github.com/CalebQ42/squashfs/low"
-	"github.com/CalebQ42/squashfs/low/data"
 	"github.com/CalebQ42/squashfs/low/inode"
 )
 
 // File represents a file inside a squashfs archive.
 type File struct {
-	full     data.FullReader
-	rdr      data.Reader
+	// full     data.FullReader
+	// rdr      data.Reader
 	rdrInit  bool
 	parent   FS
 	r        *Reader