RetroRunner v1.8b

Fixed 'no easy guys on hard setting' bug
SignPost TextBoxes now close when player walks away from them.
Level 1 movie modified to accomodate new textbox behaviour
Lev 35 movie guy moved so spy's talkbox doesn't go offscreen
Less hard score per level complete
Level 4 doesn't keep switching game back to normal speed if player selects slow speed
Game moves from special level back to normal level if game normal game was interupted
Quick game speed can be activated from level 10
No longer possible to start on level greater than highest level completed
Fixed level complete gfx circle extro bug which caused crash