v3.9.3

EN:

• Fix(Network) Fix Cannot read property 'setAttribute' of null error when call setOption() before init. (PR #453 by @Zhangstring)
• Fix(Network) Fix Fetch error when iOS < 11. (PR #457 by @zimv)
• Chore Generate .d.ts declarations when built. (RP #433 by @ManiaciaChao)
• Chore Remove ./dist from Git tracking.

---

CN:

• Fix(Network) 修复未完成初始化时调用 setOption() 导致的 Cannot read property 'setAttribute' of null错误。 (PR #453 by @Zhangstring)
• Fix(Network) 修复 iOS < 11 时产生的 Fetch 错误. (PR #457 by @zimv)
• Chore 构建时自动生成 .d.ts 声明。 (RP #433 by @ManiaciaChao)
• Chore 从 Git 版本控制中移除 ./dist 目录。