small tweaks

phpseclib/File/ASN1.php

@@ -677,7 +677,7 @@ class File_ASN1
                 }
 
                 // Fail mapping if all input items have not been consumed.
-                return $i < $n? null: $map;
+                return $i < $n ? null: $map;
 
             // the main diff between sets and sequences is the encapsulation of the foreach in another for loop
             case FILE_ASN1_TYPE_SET:

phpseclib/Math/BigInteger.php

@@ -811,6 +811,18 @@ class Math_BigInteger
         }
     }
 
+    /**
+     *  __debugInfo() magic method
+     *
+     * Will be called, automatically, when print_r() or var_dump() are called
+     *
+     * @access public
+     */
+    function __debugInfo()
+    {
+        return array('value' => '0x' . $this->toHex(true));
+    }
+
     /**
      * Adds two BigIntegers.
      *