Better support of type inference for empty_list
Better support of type inference for empty_list

hainm/pythran,pombredanne/pythran,pombredanne/pythran,pbrunet/pythran,artas360/pythran,serge-sans-paille/pythran,artas360/pythran,pbrunet/pythran,serge-sans-paille/pythran,artas360/pythran,pombredanne/pythran,pbrunet/pythran,hainm/pythran,hainm/pythran