SELECTABLE_MAX_LIMIT shouldn't be None and little note about new setting
SELECTABLE_MAX_LIMIT shouldn't be None and little note about new setting

--HG--
branch : result-refactor

mlavin/django-selectable,affan2/django-selectable,makinacorpus/django-selectable,makinacorpus/django-selectable,affan2/django-selectable,mlavin/django-selectable,affan2/django-selectable,mlavin/django-selectable