Fix to issue 11: "AbstractFlowSet equals/hashCode contract issues" https://github.com/Sable/soot/issues/11
Fix to issue 11:
"AbstractFlowSet equals/hashCode contract issues"
https://github.com/Sable/soot/issues/11

equals now requires that objects are of the same runtime type.
hashCode now ignores element order
mbenz89/soot,mbenz89/soot,plast-lab/soot,xph906/SootNew,cfallin/soot,plast-lab/soot,xph906/SootNew,anddann/soot,cfallin/soot,xph906/SootNew,anddann/soot,mbenz89/soot,cfallin/soot,xph906/SootNew,mbenz89/soot,anddann/soot,cfallin/soot,anddann/soot,plast-lab/soot