git checout first
go run main.go
See request data
git checkout second
go run main.go
See empty base object
Uncomment code, SetBase()
Add SetBase() to DataType interface
git checkout third
go run main.go
See SetItem()
Partially uncomment code
go run main.go
See Item
Comment out the rest of the code
Add Ops functionality to service and database layers
go run main.go
git checkout fourth
go run main.go