ListExtensions(fix): IsTruncated

- When the numbers of listed keys is strictly equal to the asked
  maxKeys, we should return IsTruncated = false.

lib/algos/list/MPU.js

@@ -84,10 +84,11 @@ class MultipartUploads {
      *  @return {Boolean} - True: Continue, False: Stop
      */
     filter(obj) {
-        // Check first in case of maxkeys = 0
+        // Check first in case of maxkeys <= 0
         if (this.keys >= this.maxKeys) {
             // In cases of maxKeys <= 0 => IsTruncated = false
-            this.IsTruncated = this.maxKeys > 0;
+            // If keys === maxKeys => IsTruncated should be false
+            this.IsTruncated = this.maxKeys > 0 && this.keys > this.maxKeys;
             return false;
         }
         const key = obj.key;

lib/algos/list/delimiter.js

@@ -98,7 +98,8 @@ class Delimiter {
         // Check first in case of maxkeys <= 0
         if (this.keys >= this.maxKeys) {
             // In cases of maxKeys <= 0 => IsTruncated = false
-            this.IsTruncated = this.maxKeys > 0;
+            // If keys === maxKeys => IsTruncated should be false
+            this.IsTruncated = this.maxKeys > 0 && this.keys > this.maxKeys;
             return false;
         }
         const key = obj.key;