Includes benchmark causing many Graal method invalidations

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Includes classic SlopStone benchmark.

[TODO: implement missing functionality, enable full doIntAdd]

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Fixed bug so that Richards' tracing can show ids

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Added asString and fixed whitespace

Signed-off-by: Stefan Marr <git@stefan-marr.de>