Toped release 0.97 changes and updates
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- Further work on Calibre DRC visualisation. Browser supports cell name mode now.
- New utility (gds2vrml) for generation of VRML files
- Improved memory footprint, improved TELL execution speed
- Compressed files supported now for all DB formats
- Plug-in development infrastructure. Header files for a development package are
  released for the first time. Plug-in example will be available shortly
- TELL user library initiated and included in the distribution
- Some new build-in TELL functions including exec renamecell etc.
- Bug fixes and stability improvements
