RC3 1.0 release candidate

[jrincayc]

• fix list of characters used in R7RS
• comment out line about altering definition that is not possible without set!

---

This discussion was created from the release RC3 1.0 release candidate.

[jrincayc]

I think I will give this a week and then if no one (including myself) finds anything that needs changing, I will make the final release (so final release in the Dec 8th to Dec 11th time frame).