v0.4.4: upstream hazard filter and empty-result disclosure
upstream hazard filter and empty-result disclosure
aviation_get_advisories:hazardfilter now matches AWC's ownconv/turb/ice/ifrparameter instead of a client-side substring test against an undocumented vocabulary (#30)aviation_get_advisories: empty result carries anoticenaming the stage that produced it — no SIGMETs active, none carrying the requested hazard, or none intersecting the bbox (#33)