Fix for the the expression attribute values errors (the type of the attributes in the query expression get mapped internally to DynamoDB types).  Add a sort of the samples by time since range key will not have them returned in proper order.
Fix for the the expression attribute values errors (the type of the attributes in the query expression get mapped internally to DynamoDB types).  Add a sort of the samples by time since range key will not have them returned in proper order.

SandcastleApps/partyup,SandcastleApps/partyup,SandcastleApps/partyup