Merge branch 'release-1.0'

Author: katheroine

.gitignore

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+composer.lock
+vendor/
+

.travis.yml

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+language: php
+php:
+  - 5.5
+  - 5.6
+  - 7.0
+before_install:
+  - if [[ ${TRAVIS_PHP_VERSION:0:3} == "5.5" ]]; then export PHP55=false; else export PHP55=true; fi
+  - if [[ ${TRAVIS_PHP_VERSION:0:3} == "5.6" ]]; then export PHP56=false; else export PHP56=true; fi
+  - if [[ ${TRAVIS_PHP_VERSION:0:3} == "7.0" ]]; then export PHP70=false; else export PHP70=true; fi
+install:
+  - ( $PHP55 && $PHP56 ) || ( printf "\n" | pecl install yaml )
+  - ( $PHP70 ) || ( printf "\n" | pecl install yaml-beta )
+  - echo "extension=yaml.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - composer install
+script: 
+  - phpunit tests/
+  - ./vendor/bin/phpcs src/ tests/

CHANGELOG.md

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+# Changes in DataCoder
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## [1.0.0] - 2016-05-27
+
+### Added
+- DataEncoder - data encoder with configurable data format
+- DataDecoder - data decoder with configurable data format
+- DatafileEncoder - datafile encoder with configurable data format
+- DatafileDecoder - datafile decoder with configurable data format
+- JsonDataEncoder - data encoder for JSON data format
+- JsonDataDecoder - data decoder for JSON data format
+- JsonDatafileEncoder - datafile encoder for JSON data format
+- JsonDatafileDecoder - datafile decoder for JSON data format
+- YamlDataEncoder - data encoder for YAML data format
+- YamlDataDecoder - data decoder for YAML data format
+- YamlDatafileEncoder - datafile encoder for YAML data format
+- YamlDatafileDecoder - datafile decoder for YAML data format
+- DataFormat - enumerable data formats (JSON and YAML/YML)

CONTRIBUTING.md

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+# Contributing to DataCoder
+
+To contribute to the project you need to have an account on [GitHub](https://github.com/).
+
+## Workflow
+
+1. Create a fork of this repository
+2. Clone repository
+3. Ensure you have configured *name* and *email address* in Git
+4. Create issue with proper description and label on GitHub within this project
+5. Assign yourself to the issue
+6. Fork fix or feature branch with proper prefix and number of the issue (e.g. *issue-92-readme-file-update*)
+7. Complete work and commit with proper message and number of issue with hash and in parentheses
+8. Push branch to your forked project on your GitHub account
+9. Create a [pull request](https://help.github.com/articles/using-pull-requests/) to the **develop** branch of the original ExOrg repository
+
+## Standards and conventions
+
+Please follow [PSR-1](http://www.php-fig.org/psr/psr-1/) and [PSR-2](http://www.php-fig.org/psr/psr-2/) coding standards and [PSR-4](http://www.php-fig.org/psr/psr-4/) autoloading standard.
+
+This project uses [PHPCodeSniffer](https://www.squizlabs.com/php-codesniffer) for detecting coding style issues.
+
+To run tests for code style  write the following command in your command line inside the main DataCoder project directory
+
+```bash
+vendor/bin/phpcs tests/ src/
+```
+
+Please take care over consistency of the code and check existing examples before you create your own extensions.
+
+## Automated tests
+
+Write unit tests for your code. 
+
+This project uses [PHPUnit](https://phpunit.de/) as unit tests framework.
+
+To run tests, write the following command in your command line inside the main DataCoder project directory
+
+```bash
+vendor/bin/phpunit tests/
+```