Fixed rpc arg checks

* Added extra rpc error handlers
* Added more checks for array types
* Added check for neg values
Fixed use explicit 64bit integer
Fixed rpc arg checks

* Added extra rpc error handlers
* Added more checks for array types
* Added check for neg values
Added new general-purpose HTTP auth procedure
Fixed use lt_wait_checkpoint_lt
Fixed missing prototype
Fixed compiler warnings
Added JSON functions
Fixed issue with t_step in transitive query
Added new column 'Date Added' for external DET drives
Copied virt_rdf_label.sql locally
Fixed do not display error messages unless query parameter dbg=1
Updated vad version for FCT
Fixed transitive test