Enable swap-command mutation. Oops.
Change default values to trigger evolution of diagonal-walking programs earlier. The old values triggered at roughly 9k to 10k steps, this triggers at 2k to 4k steps, sometimes even seen after 1k steps. Also changed upper limit for health per food from 100 to 200.
Make JFrame maximized by default on systems where this is supported (Xfce/XOrg is known good)