enable multiple reverse results when no types or limit specified

Author: mpothier

lib/index.js

@@ -692,7 +692,8 @@ MapboxGeocoder.prototype = {
 
       config = extend(config,
         this.options.version === 'v6' ? { longitude: coords[0], latitude: coords[1]} : { query: coords },
-        !config.types || config.types.length !== 1 ? {limit: 1 } : {}
+        !config.types && config.limit && config.limit !== 1 ? {limit: 1} : {}, // force limit=1 if no types and limit > 1
+        config.types && config.types.length !== 1 ? {limit: 1 } : {} // force limit=1 if multiple types
       );
     } break;
     case GEOCODE_REQUEST_TYPE.FORWARD: {