Regenerate gemspec for version 0.6.11

Update gemspec.

Regenerate gemspec for version 0.6.9

Regenerate gemspec for version 0.6.8

Regenerate gemspec for version 0.6.7

Regenerate gemspec for version 0.6.6

Mountain Lion fixes. Mountail Lion likes URLs everywhere.

Regenerate gemspec for version 0.6.4

Update gemspec.

Regenerate gemspec for version 0.6.2