Added getnextid function, that simply generates a new (hopefully) unique identifier.
Added getnextid function, that simply generates a new (hopefully) unique
identifier.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb