initial commit for enter/exit fix
commit for enter/exit fix
Checking in changes to the way items are added/removed from the d3 object
updating enter exit fix with newest merge
updating enter exit fix with newest merge
updating enter exit fix with newest merge
updating enter exit fix with newest merge
updating enter exit fix with newest merge
updating enter exit fix with newest merge
Merge pull request #35 from meganap/enterExitFix

Enter exit fix