Toped release 0.9.8 changes and updates
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- Internal data base redefined to cope with invalid layout objects. Provisions
  for non-layout data
- Further work on logical operations and data checks. Automatic data recovery
  introduced for invalid layout objects.
- New technology editor
- Preprocessor introduced in the Tell parser.
- New build-in TELL functions and operator extensions. Speed optimizations in 
  code execution
- TELL user library significantly expanded 
- Bug fixes and stability improvements
