Changes and fixes since original 1.02 release:
* an extra post-process step added to game loading code so that quarries work in old save games files.
* fixed Quarries not working right
* several ambient traffic cars which were left out originally now enabled
* a new stretch of motorway
* hired truck driver names now more appropriate for the UK
* fixed Pound symbol that was lost from the font file in the 1.04 patch