Description:
------------
Different results are returned when running the test script and hitting browser refresh button:

--test 1--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462.5 

--test 2--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462

--test 3--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462.5

--test 4--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462

....

Internationalization support	enabled
version	                        1.1.0
ICU version	                55.1
ICU Data version	        55.1


Test script:
---------------
<?php

  // Run this script then refresh the page several times in the browser 
  // in order to get different results

  print "<pre>\n";

  $number = 462.501;
  print 'Original number: '.$number."\n\n";

  $formatter = new NumberFormatter('nl_BE', NumberFormatter::CURRENCY);
  $value = $formatter->format($number);

  print 'NumberFormatter::parseCurency() returns: '.$formatter->parseCurrency($value, $currency)."\n";

  print "</pre>\n";
?>

Expected result:
----------------
Original number: 462.501

NumberFormatter::parseCurency() returns: 462.5