Fix Array.union() and Array.intersection() for arrays containing objects with same toString() representation by using a java.util.HashMap instead of a JavaScript object for checking elements.
Fix Array.union() and Array.intersection() for arrays containing objects with same toString() representation by using a
java.util.HashMap instead of a JavaScript object for checking elements.


git-svn-id: fac99be8204c57f0935f741ea919b5bf0077cdf6@9191 688a9155-6ab5-4160-a077-9df41f55a9e9

ashwinrayaprolu1984/ringojs,Transcordia/ringojs,ringo/ringojs,Transcordia/ringojs,Transcordia/ringojs,oberhamsi/ringojs,oberhamsi/ringojs,ringo/ringojs,ashwinrayaprolu1984/ringojs,ringo/ringojs,oberhamsi/ringojs,Transcordia/ringojs,ashwinrayaprolu1984/ringojs,ashwinrayaprolu1984/ringojs,ringo/ringojs