select on a hash behaves differently for diff versions of ruby

Regenerate gemspec for version 0.4.0

Regenerate gemspec for version 0.3.4

Regenerate gemspec for version 0.3.3

Regenerate gemspec for version 0.3.2

Regenerate gemspec for version 0.3.1

Regenerate gemspec for version 0.3.0

Regenerate gemspec for version 0.2.1

Regenerate gemspec for version 0.2.0

Regenerate gemspec for version 0.1.0