Documentation!

Though may functions/structs will be made private, I still want things documented.

compression.go

@@ -6,12 +6,15 @@ import (
 	"io"
 )
 
+//Decompressor is a squashfs decompressor interface. Allows for easy decompression no matter the type of compression.
 type Decompressor interface {
 	Decompress(io.Reader) ([]byte, error)
 }
 
+//ZlibDecompressor is a decompressor for gzip type compression
 type ZlibDecompressor struct{}
 
+//Decompress reads the entirety of the given reader and returns it uncompressed as a byte slice.
 func (z *ZlibDecompressor) Decompress(r io.Reader) ([]byte, error) {
 	rdr, err := zlib.NewReader(r)
 	if err != nil {