fixed invocation of #respond_to? from within jail
allow logical operations on TrueClass and FalseClass instances inside of a jail
Merge pull request #8 from witlessbird/respond_to_fixes

fixed invocation of #respond_to? from within jail
Merge pull request #9 from witlessbird/true_and_false_classes_fixes

allow logical operations on TrueClass and FalseClass instances inside of  a jail