PBDOM_BUILDER enhancements

The PBDOM_BUILDER SetDisableEntityResolution in PowerBuilder Extension Reference method is added to help users prevent the XML eXternal Entity (XXE) attack, by not loading the external entity referenced in the XML document.

public subroutine  SetDisableEntityResolution(boolean bDisableEntityResolution)

When True, it is not allowed to load the external entity referenced in the XML document, when False (Default), it is allowed to load the external entity.