[COMPOSER] Added predis/predis and updated packages

vendor/php-http/message/README.md

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+# HTTP Message
+
+[![Latest Version](https://img.shields.io/github/release/php-http/message.svg?style=flat-square)](https://github.com/php-http/message/releases)
+[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
+[![Build Status](https://img.shields.io/travis/php-http/message.svg?style=flat-square)](https://travis-ci.org/php-http/message)
+[![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/php-http/message.svg?style=flat-square)](https://scrutinizer-ci.com/g/php-http/message)
+[![Quality Score](https://img.shields.io/scrutinizer/g/php-http/message.svg?style=flat-square)](https://scrutinizer-ci.com/g/php-http/message)
+[![Total Downloads](https://img.shields.io/packagist/dt/php-http/message.svg?style=flat-square)](https://packagist.org/packages/php-http/message)
+
+**HTTP Message related tools.**
+
+
+## Install
+
+Via Composer
+
+``` bash
+$ composer require php-http/message
+```
+
+
+## Intro
+
+This package contains various PSR-7 tools which might be useful in an HTTP workflow:
+
+- Authentication method implementations
+- Various Stream encoding tools
+- Message decorators
+- Message factory implementations for Guzzle PSR-7 and Diactoros
+- Cookie implementation
+- Request matchers
+
+
+## Documentation
+
+Please see the [official documentation](http://docs.php-http.org/en/latest/message.html).
+
+
+## Testing
+
+``` bash
+$ composer test
+```
+
+
+## Contributing
+
+Please see our [contributing guide](http://docs.php-http.org/en/latest/development/contributing.html).
+
+## Credits
+
+Thanks to [Cuzzle](https://github.com/namshi/cuzzle) for inpiration for the `CurlCommandFormatter`.
+
+## Security
+
+If you discover any security related issues, please contact us at [security@php-http.org](mailto:security@php-http.org).
+
+
+## License
+
+The MIT License (MIT). Please see [License File](LICENSE) for more information.