* Remove obsolete api and fix some warning
* Move MEMonitorHandler to internal code and fix some warnings
* Rename exceptions to conform to naming scheme
Deprecates the old usage of the AEItemDefinitions via the direct method access of
* blocks()
* parts()
* items()
* materials()
and thus use the new re-direct via definitions().
All definitions are now initialized, no matter what. But SubItems, Items and Blocks are not registered, if by chance are disabled.