[Frederik Eaton] Added accessor/mutator for the elements of a SmallSet<>
[Frederik Eaton] Added accessor/mutator for the elements of a SmallSet<>

yesimon/libDAI,midnighteuler/libdai,flurischt/libDAI,yesimon/libDAI,dbtsai/libDAI,midnighteuler/libdai,fivejjs/libDAI,yesimon/libDAI,dbtsai/libDAI,midnighteuler/libdai,slnovak/libDAI,fivejjs/libDAI,AndrewNguyenF3/libdai,dbtsai/libDAI,slnovak/libDAI,slnovak/libDAI,eriqande/libDAI-mods,midnighteuler/libdai,midnighteuler/libdai,midnighteuler/libdai,flurischt/libDAI,tttamaki/libdai,dbtsai/libDAI,slnovak/libDAI,eriqande/libDAI-mods,midnighteuler/libdai,slnovak/libDAI,yesimon/libDAI,tttamaki/libdai,flurischt/libDAI,fivejjs/libDAI,eriqande/libDAI-mods,AndrewNguyenF3/libdai,tttamaki/libdai,fivejjs/libDAI,flurischt/libDAI,tttamaki/libdai,fivejjs/libDAI,dbtsai/libDAI,yesimon/libDAI,slnovak/libDAI,yesimon/libDAI,AndrewNguyenF3/libdai,yesimon/libDAI,eriqande/libDAI-mods,slnovak/libDAI,AndrewNguyenF3/libdai,flurischt/libDAI,dbtsai/libDAI,tttamaki/libdai,AndrewNguyenF3/libdai,eriqande/libDAI-mods