一套我跨项目使用的常用代码。 并非包罗万象，此软件包旨在成为一个小型软件包，可用于许多不同的应用程序。
Konkyo Swift 软件包采用 Apache 2 许可证。
Copyright 2019 Colin Wheeler
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://apache.ac.cn/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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