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+# Creating pull request
+1. Open a related issue in the [Issue Tracker](https://github.com/EduardoGR/php-functional/issues)
+2. Fork repository on Web Page
+3. Clone this repository `git clone https://github.com/{your-username}/php-functional`
+4. Create a branch with expressive name `git checkout -b {your-username}-{what-i-am-going-to-develop}`
+5. Commit your changes `git commit -m "{your-username} This is what i did"`
+6. Push your changes `git push origin {your-username}-{what-i-am-going-to-develop}`
+7. Create a Pull Request to master on Web Page
+
+# Code style
+php-functional follows the PSR-4 autoloading standard.