v1.0.4 (26/10/2012)
Added colour-blind option
Minor level tweaks

v1.0.3 (20/10/2012)
Minor engine tweaks

v1.0.2 (19/10/2012)
Minor level tweaks

v1.0.1 (14/10/2012)
Minor level tweaks
Added missing credits (sorry!)

v1.0.0 (9/10/2012)
Release!