check for break condition earlier in generate_bell
Merge pull request #2705 from smichr/bell

check for break condition earlier in generate_bell
Merge branch 'master' of git://github.com/sympy/sympy
Solvers: Changed force=True from false when combining log

Solvers anyways checks for valid solutions hence we can combine logs this way
Added test cases for issue 4091
Merge pull request #2717 from avichaldayal/4091_log

Solvers: changed force=True from false when combining log
Merge branch 'master' of git://github.com/sympy/sympy