merge
Merge branch 'master' of https://github.com/genericsystem/genericsystem2014.git
Merge branch 'master' of https://github.com/genericsystem/genericsystem2014.git
Read operations do not induce write operations any more. We fixed issues
related to SystemMap (infinite loop at system initialization).
Fixed a bug in adjustMeta and isMetaOf methods.
Added safety checks.