- make the MapExecutor a little more efficient and catch
  the ClassCastException that may occur when a method/property
  name isn't correct and ASTIdentifier assumes it's a Map when
  it really isn't.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/velocity/trunk@73947 13f79535-47bb-0310-9956-ffa450edef68