Release v2.0.0-alpha.3

ed7cae7 Bump version to 2.0.0-alpha.3
cc13fa8 Add English README
5a919b8 Fix an unexpected panic: users may unsubscribe a feed while fetching it
a9c045e Update chat_is_unavailable, cover the new errors
53d4e76 Don't send fetch error message too frequently
7413069 Bump serde_json from 1.0.48 to 1.0.51

Release v2.0.0-alpha.2

b96fadf Add notes about environment variables
bfc0da4 Add RSSBOT_DONT_PROXY_FEEDS
62371cb Enable proxies from HTTP_PROXY/HTTPS_PROXY
14d798e Add tests for the specialized hasher
309078e Add a specialized hasher for database

Release v2.0.0-alpha

Fully rewrite, bugs from telebot should be gone.

New features will be added in next releases.

完全重写，修复了来自底层框架的错误。

剩下的新功能会在下个版本添加

v1.4.4

Fixed #32

v1.4.3

Handle migrations from group to supergroup

v1.4.2

v1.4.2

v1.4.1

Debug messages is an option now.

You can turn it on by setting the environment `RUST_LOG=telebot=debug`

v1.4.0

Add /export command

v1.3.3

v1.3.3

v1.3.2

 v1.3.2