yenc functions decode 1 part files correctly

package.json

@@ -18,9 +18,10 @@
     "log4js": "^6.9.1",
     "nntp-js": "^1.0.4",
     "node-unrar-js": "^2.0.0",
+    "simple-yenc": "^1.0.4",
     "sqlite": "^5.1.1",
     "sqlite3": "^6.0.1",
     "xmlbuilder2": "^3.1.1",
     "yencode": "^1.0.1"
   }
-}
+}