Don't add unnecessary slashes.  #202
Don't add unnecessary slashes.  #202

[JSON_UNESCAPED_SLASHES sadly isn't the default behavior](https://bugs.php.net/bug.php?id=49366)

csimplestring/swagger-php,dfcplc/swagger-php,mo3awia91/swagger-php,zircote/swagger-php,GoIntegro/swagger-php,kevupton/swagger-php,DerManoMann/swagger-php,mrploddy1981/swagger-php,thekonz/swagger-php,marcaube/swagger-php,nprdm/swagger-php,dbajal/swagger-php