Fix ERXEOAccessUtilities createRelationship method. isClassProperty of
true creates two relationships. False doesn't remove an existing one.
Updating method to check the class properties explicitly and add/remove
relationships as required.
add generics
add some helper methods converting a set to a sorted array
NSMutableSet.addObjects needs to clear cache
Create a JasperReport ReportTask from an EO
Merge pull request #403 from tedpet/integration

Create a JasperReport ReportTask from an EO