Changes

Newbie-Experience Changes:

- Replaced the old cow curse with a new curse that is less horrific for newbies

Fletching Changes:

- Revised fletching to make it less like a trade skill and more of a solo-adventurer activity

New Config Options:

- New option in Config window (under "GUI and Windows") that lest you hide error messages that show up when you can't use an ability

Other Changes:

- Did some optimization to Serbule town buildings. Hopefully this improves framerate a bit while in town, and may prevent crashing on some PCs