v0.6.0

Binary	SHA256 Checksum
tokenlon-mmsk.0.6.0.zip	964057907a1d3e4da4286296d1f7f72e1d5dd90036e1dc97bf68954962b7695d

Upgrade:

• Change ws deal call to http deal call, and add exceptionOrder API (#9), and this is a very important change, please follow these docs
  • En: deal interface、exception interface
  • Zh: deal 接口、exception 接口
• Optimize that takerTokenAmount response (contains fee) for better user experience (#8)