Fixed a bug and a half (thank you, Leopoldo for pointing them out).
Graecise will now convert capital A with accents at the beginning of a paragraph - which it didn't do before.
I also reintroduced automatic end sigma (the half bug), which I had taken out because it caused some inconvenience. I'm not sure which that was, though, so if you find out why I took it out in the first place, please tell me.