- Add forwards compatibility hack for callbacks - Ensure malformedExpression() and unboundVariable() tests from    net.xp_framework.unittest.xml.AbstractProcessorTest work by    adding a hack to _checkErrors()
- Add forwards compatibility hack for callbacks
- Ensure malformedExpression() and unboundVariable() tests from 
  net.xp_framework.unittest.xml.AbstractProcessorTest work by 
  adding a hack to _checkErrors()

git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@12553 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core