dtc-v2.1.1

What's Changed

• hsql updated, supporting INSERT INTO SET by @JackiebyChan in https://github.com/DTC8/DTC/pull/206
• 207 supporting string key hash and sharding db & table in dtc by @kfysck in https://github.com/DTC8/DTC/pull/208
• 203 new format conf files by @kfysck in https://github.com/DTC8/DTC/pull/205
• Fix bugs by @kfysck in https://github.com/DTC8/DTC/pull/211

Full Changelog: DTC8/DTC@dtc-v2.1.0...dtc-v2.1.1
Configuration Example: https://github.com/DTC8/DTC/wiki/Configuration