v1.8.0 支持多实例、补充字符集

• 重构CustomDictionary，支持多实例 #1339
• 支持𩽾𩾌(ān kāng)之类的补充字符集 fix #1564
• 修复 CoreStopWordDictionary.dictionary.clear() fix #1603
• 双数组trie树防止传入空白key导致无法转移状态 fix https://bbs.hankcs.com/t/dat/3196/8
• 新增热更新方法 CoreDictionary.reload() fix #1594
• 新增 KBeamArcEagerDependencyParser(String modelPath, String cwsModelPath, String posModelPath) fix #1585
• Fix Sentence.create on compound word consisting of single word
• HiddenMarkovModel构造时备份参数 fix #1530
• 数据包兼容data-for-1.7.5.zip md5=1d9e1be4378b2dbc635858d9c3517aaa
• Portable版同步升级到v1.8.0

        <dependency>
            <groupId>com.hankcs</groupId>
            <artifactId>hanlp</artifactId>
            <version>portable-1.8.0</version>
        </dependency>

🎉感谢所有在issue中提出宝贵建议的用户！