v1.6.8

• Fixes object encoding for deeply-nested objects
• Strips anonymous authData when a username is set (only useful for Cloud Code)
• Exposes Parse.Promise.enableAPlusCompliant() and Parse.Promise.disableAPlusCompliant(), to make the exception handling follow the A+ spec.
• Retries on connection failure in Node.js, and returns human-friendly errors when this fails.
• Allow custom session tokens to be used when calling cloud functions