2019-03-07, Version 2.20.0 @popomore

Notable changes

• features

  • support customLoader

• chore

  • fix typo
  • fix testcase

Commits

• [4cf06da27] - feat: support customLoader (#3484) (Haoliang Gao <sakura9515@gmail.com>)
• [2f2bd69bb] - chore：Fix some typos in Chinese and English (#3514) (Maledong <maledong_github@outlook.com>)
• [65bdd158c] - Fix(cluster-client.test.js)：Rollback to previous (#3507) (Maledong <maledong_github@outlook.com>)