[Finishes #75468012] Modify calcdb interface json to validate formats
Change project show from exchange to referenced
[#75468012] Add at least one required for project POST and PUT
[#75468012] uuid change to filefortUuid
[#75468012] Compare to null to account for limits of zero
Updates to check for null an 0 limit
Merge pull request #85 from spidasoftware/calcdb-allow-formats-75468012

[Delivers #75468012] Modify calcdb interface json to validate formats
Added methods to convert Calc JSON into CalcDB JSON and vice versa.
Guess I do need to take that out after all.
Couple small fixes.