Regenerate gemspec for version 0.3.3

Regenerate gemspec for version 0.3.2

Regenerate gemspec for version 0.3.1

Update gemspec

Regenerate gemspec for version 0.2.4

Regenerate gemspec for version 0.2.3

Regenerate gemspec for version 0.2.2

Regenerate gemspec for version 0.2.1

Regenerated gemspec for version 0.2.0

Regenerated gemspec for version 0.1.5