Starting on writing the library

Currently just parses the superblock (but that works!)

uncompress.go

@@ -0,0 +1,14 @@
+package squashfs
+
+import "io"
+
+func uncompressData(data []byte, compressionType int) []byte {
+	//TODO: check compression type and uncompress the data
+	return make([]byte, 0)
+}
+
+//same os uncompressData, but uses a reader instead. reader's seek will be
+func uncompressReaderData(reader *io.Reader, compressionType int) []byte {
+	//TODO: check compression type and uncompress the data
+	return make([]byte, 0)
+}