Regenerate gemspec for version 1.4.0

Regenerate gemspec for version 1.3.0

Regenerate gemspec for version 1.2.0

Regenerate gemspec for version 1.1.0

Regenerate gemspec for version 1.0.0

Regenerate gemspec for version 0.4.0

Regenerate gemspec for version 0.3.0

Regenerate gemspec for version 0.2.2

bumped patch version

updated gemspec, bumped version