Check_MK Werk 6671: WATO Web API: Now able to configured rulesets with boolean settings

ID: 6671 Title: WATO Web API: Now able to configured rulesets with boolean settings Component: WATO Level: 1 Class: Bug fix Version: 1.6.0i1 Rules with a configurable positive/negative outcome where incorrectly translated in a <tt>get_ruleset</tt> API call. Furthermore, <tt>set_ruleset</tt> had an error when validating these kind of rules.