json-serialiser

fixed avoid stackoverflow due cycles of size 1

added class ignoring

start serialisation by wrapping in order to assure that first-level …

objects will also be checked whether they have to be ignored or not

added whitelist to log and tracer_log

added alphabetical sort of hashsets and hashmaps

reduce verbosity of hibernate-nature exceptions on collections

used visited list as a stack to build the trees and break cycles. …

removed acyclic option.

removed hashcode from reference

getReference, CharSequense, not serialise internals by default

replaced writer by local stringbuilder return statements