Merge pull request #20 from jgarzik/unsigned-fix

Deserialize: fix unsigned bitwise math

Deserialize.js

@@ -1,8 +1,8 @@
 
 exports.intFromCompact = function(c)
 {
-	var bytes = (c >> 24) & 0xff;
+	var bytes = ((c >>> 24) & 0xff) >>> 0;
-	var v = (c & 0xffffff) << (8 * (bytes - 3));
+	var v = ((c & 0xffffff) << (8 * (bytes - 3))) >>> 0;
 	return v;
 }