Update README.md
Update twitchy.py
Pushing various changes from the past year running in ESEA Orange & TF.TV channels:
- Uses new Twitch IRC address, comments updated to reference OAuth password
- Basic spam filter & command to ignore users
- Proper socket buffer handling, no more cut off messages
- Simple retry logic if the bot crashes or gets disconnected from IRC server
- Basic cleanup when the bot does die, plugins were causing a memory leak