update README
lots of little tweaks
basic help screen added...no content there yet
added diseased carnivore ('carrier')
more tweaks (mostly visual)
final visual tweaks for the night...
added z-index to div creator method so shadows look a bit better (not cut off)
added turtle lifeform (may need to tweak stats)
added random spawner...DONE with entities...yay
readme and tweaks
finished help/about display
changed clear button -- now there is a 'fill all' and 'fill empty' button
fixed button positions after adding fill buttons
yup...more mysterious 'tweaks'
final readme update for now...