fix(detection): strict coercion to boolean

for the promise.___customPromise and promise.___nativePromise

dist/redolent.common.js

@@ -376,8 +376,8 @@ var index = function redolent (fn, opts) {
       }
     });
 
-    promise.___nativePromise = index$10;
-    promise.___customPromise = !index$10;
+    promise.___nativePromise = Boolean(index$10);
+    promise.___customPromise = !promise.___nativePromise;
     return promise
   }
 };

dist/redolent.es.js

@@ -374,8 +374,8 @@ var index = function redolent (fn, opts) {
       }
     });
 
-    promise.___nativePromise = index$10;
-    promise.___customPromise = !index$10;
+    promise.___nativePromise = Boolean(index$10);
+    promise.___customPromise = !promise.___nativePromise;
     return promise
   }
 };

index.js

@@ -106,8 +106,8 @@ module.exports = function redolent (fn, opts) {
       }
     })
 
-    promise.___nativePromise = Native
-    promise.___customPromise = !Native
+    promise.___nativePromise = Boolean(Native)
+    promise.___customPromise = !promise.___nativePromise
     return promise
   }
 }