Release v1.8.0

• Persistence layer fixes for teamMedia, teamMediaGroups, memberEmailAddresses, contactEmailAddresses, eventStatistics, and statisticGroups
• Adds support for bulkCreateEvents command on events collection. (https://github.com/teamsnap/apiv3/pull/1743)

More details in https://github.com/teamsnap/teamsnap-javascript-sdk/blob/master/CHANGELOG.md