**\*Breaking change: this project is turned into a python package.**
0.4.2
- add proxy settings - add http-01 challenge handler - add HandlerSet - add IDN support - add DnsPod API - add Aliyun API
0.4.1
add: GodaddyDnsHandler fix: import Error
0.4.0
**\* This version is not backward compatible.**
0.3.0
add: AliyunDNSHandler add: record_id machanism **\* This version is not backward compatible**
0.2.0
- add CloudflareDNSHandler - delay reading the account key until it is needed - add `session` property to DNSHandler - AcmeN will close http session on exit - remove log handler from AcmeN