v1.9.0

• Added email confirmation token generation and validation functions
• Added option for async execution of ElasticSearch requests
• Added dummy Emailer class.
• Added support for ranged search queries using range filters.
• Added /_id/{id} API resource
• Added /_me API resource
• Added config options for turning CSRF protection on/off
• Added user.canModify(object) method
• Added method to display DynamoDB table status
• Added extra checks for data types in Apps
• Added default Gravatar profile picture
• Fixed multi-App support and index sharing
• Fixed a bug where the search shard key was not set properly
• Better API responses and error messages
• Changed names of some API resources: /types to /_types, /setup to /_setup, /newkeys to /_newkeys
• Changed User to be inactive by default unless signing up with a social profile
• Updated Elasticsearch to 1.4.1

...and lots of smaller fixes.