v2.0.0-beta.1
* [feat] Babel7 support * [BC] Babel7 is incompatible with Babel6. For Babel6, you need to use the 1.x release of babel-plugin-empower-assert
* [feat] Babel7 support * [BC] Babel7 is incompatible with Babel6. For Babel6, you need to use the 1.x release of babel-plugin-empower-assert