TheGreatEscape.ref: Add more bug descriptions.
TheGreatEscape.ref: Update release.
README.md: Re-phrase the SkoolKit introduction paragraph.
Makefile: Use 'lint' and 'tags' as the names for rules, rather than 'splint' and 'ctags'.
Quick Python script to decode room definitions.
Rename speccy.h to ZXSpectrum.h. Improve comments.