v1.2.1
- Added support for incoming webhook behaviors. [seLain]
- create, list, delete incoming webhooks
- post through webhook
- the deletion API is not supported by all versions of MM server ( > v4.0 )
- Fixing get_username() to behave as previous versions [Alex Tzonkov]
- Enable bot to ignore messages from specified senders (#29) [Victor Hu]
- Modified API to support message with attachments. [tgly307]