[COMPOSER] Added predis/predis and updated packages

vendor/php-http/client-common/README.md

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+# HTTP Client Common
+
+[![Latest Version](https://img.shields.io/github/release/php-http/client-common.svg?style=flat-square)](https://github.com/php-http/client-common/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/client-common.svg?style=flat-square)](https://travis-ci.org/php-http/client-common)
+[![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/php-http/client-common.svg?style=flat-square)](https://scrutinizer-ci.com/g/php-http/client-common)
+[![Quality Score](https://img.shields.io/scrutinizer/g/php-http/client-common.svg?style=flat-square)](https://scrutinizer-ci.com/g/php-http/client-common)
+[![Total Downloads](https://img.shields.io/packagist/dt/php-http/client-common.svg?style=flat-square)](https://packagist.org/packages/php-http/client-common)
+
+**Common HTTP Client implementations and tools for HTTPlug.**
+
+
+## Install
+
+Via Composer
+
+``` bash
+$ composer require php-http/client-common
+```
+
+
+## Usage
+
+This package provides common tools for HTTP Clients:
+
+- BatchClient to handle sending requests in parallel
+- A convenience client with HTTP method names as class methods
+- Emulator, decorator layers for sync/async clients
+
+
+## Documentation
+
+Please see the [official documentation](http://docs.php-http.org/en/latest/components/client-common.html).
+
+
+## Testing
+
+``` bash
+$ composer test
+```
+
+
+## Contributing
+
+Please see our [contributing guide](http://docs.php-http.org/en/latest/development/contributing.html).
+
+
+## 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.