Improve travis config - Include PHP nightly build - Keep composer packages cached for faster testing - Uniform indentation (2 spaces) - Let travis manage composer updates (don't self-update)
Improve travis config
- Include PHP nightly build
- Keep composer packages cached for faster testing
- Uniform indentation (2 spaces)
- Let travis manage composer updates (don't self-update)

php-telegram-bot/core,akalongman/php-telegram-bot