Bump to 1.1.pre3

Add link to wiki on README.

Release 1.1.pre2

Release 1.1.pre which is Rails 3 compatible.

Bump to 1.0.2.

Bump to 1.0.1

Release 1.0.0

Move to 0.9.2.

Bump to 0.9.1.

Bump to 0.9.0.