v2.3.0

ver 2.3.0

v2.2.3

• fix some bug
• merge some pr

v2.2.2

• move babelrc to webpack.config

UploadCore-v2.2.0

• rename from uxcore-uploadcore;
• use babel6;
• add none min dist.

UploadCore-v2.1.0

• IMPROVED use require&module.exports instead import&export.
• IMPROVED add <exports>.VERSION field.