Update Dependencies
Update Dependencies

| Production Changes           | From    | To      | Compare                                                                |
|------------------------------|---------|---------|------------------------------------------------------------------------|
| exercise/htmlpurifier-bundle | v0.2.4  | v1.0.0  | https://github.com/Exercise/HTMLPurifierBundle/compare/v0.2.4...v1.0.0 |
| php-http/httplug-bundle      | 1.8.1   | 1.9.0   | https://github.com/php-http/HttplugBundle/compare/1.8.1...1.9.0        |
| swagger-api/swagger-ui       | v3.12.9 | v3.13.0 | https://github.com/swagger-api/swagger-ui/compare/v3.12.9...v3.13.0    |

| Dev Changes                                      | From   | To     | Compare                                                                               |
|--------------------------------------------------|--------|--------|---------------------------------------------------------------------------------------|
| matthiasnoback/symfony-dependency-injection-test | v2.3.0 | v2.3.1 | https://github.com/SymfonyTest/SymfonyDependencyInjectionTest/compare/v2.3.0...v2.3.1 |

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