Regenerate gemspec for version 0.9.6

Regenerate gemspec for version 0.9.5

Regenerate gemspec for version 0.9.4

Regenerate gemspec for version 0.9.3

Regenerate gemspec for version 0.9.2

Regenerate gemspec for version 0.9.1

Regenerate gemspec for version 0.9.0

Regenerate gemspec for version 0.9.0.beta9

Regenerate gemspec for version 0.9.0.beta8

Regenerate gemspec for version 0.9.0.beta7