Add reports to type/info

The type() function (that can be safely renamed to info()) provides various metadata. Very useful information is the computing time (the elapsed time for evaluation and the CPU/GPU hours). These can be "easily" calculated and returned together with the other metadata. Manually it is quite an effort to collect all the numbers outside of the vre-language system.

If a variable in batch evaluation is in RESERVED or RUNNING state, it would be helpful if the type() function shows the reservation ID.

This issue is related to issue #425 (closed) (add docs).