v0.10.4_alpha.1

• Added API for category budget
• Added working test for the new API
• Added initial placeholder API for medals & user points being used in testing
• Added initial schema for medals
• Added essential flag to purchases in schema
• Amended upload API to account for essential purchases
• Admin Feature Added ability to view essential flag on purchases
• Made fixes to category viewing API
• Added schema for storing recurring purchases
• Amended Upload code to allow for if purchases are recurring
• Added script for checking recurring purchases and creating them if required