Get Several Tracks occasionally returns HTTP 500

[Koljenka]

Calling the /v1/tracks endpoint will occasionally return a HTTP 500 error. The more ids are requested the more often 500 is returned.

Example requests that will sometimes yield this error:

https://api.spotify.com/v1/tracks/?ids=7DUY9yMOKsEndED75nhc7W%2C34uXlhi3eN9jpO95CgeV0o%2C6dqismQCCHJFJt8YCBZVem%2C0iY7b5CDViGfQLVUJBF9AA%2C2tcqAJlTUilaWSGfXhyuXK%2C7cym1cTM856K6vNgfyN7iP%2C6c3KJw3dIXXAiPhZQ65ooK%2C6s52KfCflJTekGJtn6lCuP%2C10vwGQ7KLWc4RhVMFjJJ5V%2C0AdQh1ORK3la7dtYVWPpz4%2C6L3J9yrifGuFcz157aKQfo%2C5Qy8ATVSP8YgqOJKDRzzj9%2C1zIqRF5cnIkUnrKwIbFxUc%2C2jzCWWy4mRZEzGtqak3JM0%2C3dirqrX3z0XtRXr7mFJipQ%2C6DU1U4fOky10aPGY9E4iVc%2C045fxPIUziQ0c2pI0p6UTo%2C2E2Um3R1p5nFS8yZ4GVjAt%2C63R67smkvrZ1kgo6U0DcIN%2C60wtTiSkBBHPqwe5Yvzky4%2C4V4XwVrVMkWAvK7VTFDrVG%2C76QStvyA4fMLgBkYkfcwRg%2C3NBZBzWUpvvWdSL6OS5DKd%2C5DnMGtcsUfSn3QXyOGV7m4%2C4nhWjvSwZdirI3ufA96kp8%2C457w5mJHizvkqO02OsWAsD%2C05eq8SRdp9HHDPrymL2wWt%2C62h0y95YE1lm1cnKicqPuH%2C3Tb5E58HovZ3EGQI62QDpG%2C4yc69QtlnLzjcYSMPOtrEo%2C0VrQVfwBM6GvgOIEMBYlIR%2C4AQzk2yNWKs6sYhZi6NzVN%2C0tP8FKhJsar5y4JcOH4Rjp%2C6jHvX8ZnHKC1PnrPMJ0Emt%2C2h5reg3Cwkeh8JIoxNX9ID%2C0h7Vz5MQyJjO4ZnMW7HTjV%2C0l1ssbMoKPQWtm5JQOQCVz%2C1UpFb9izAOYlcxWTOQzGf6%2C6vFsBXYczYsP0H3lgunZOm%2C6GY5yMRXIN3tkXgnjbXOWH%2C75ltCxPZaTM2hi8YRnQuir%2C5mAlQORMN7wwblaO6erw9H%2C1lD48THcebkuZPKIgoxADP%2C5ruzrDWcT0vuJIOMW7gMnW%2C6652J23yyUhZGBqY6LsDZq%2C7s2kWabRM60W9I61HpKg8C%2C1ZyGAOyzqhIWAgzAgILyn2%2C2kLTL9QiAF0PDCuSKFAYYI%2C7KvmxwYZ76UIauFy8jvRIT%2C1bhpub6BolgKXDD7iMkYTZ