discussion on security and privileges
improvements on plot during downtime
improvements
clean-up
change include statement
plot improvement
add support to multiple instance properties
experimental shared object executable

The schema is compiled into a shared library loaded at run time, so the
same executable can be used for different schemas
experiment for pool index persistence
experiment with new pool index
executable to use schema stored in shared library
clean-up plus minor modification
add information about privileges and function table
modification to parse tree display
...
will probably be deleted soon
add support for user privilege control
...
schema simplification
...