Regenerate gemspec for version 0.2.14

Regenerate gemspec for version 0.2.13

update deps

Regenerate gemspec for version 0.2.11

Regenerate gemspec for version 0.2.10

Regenerate gemspec for version 0.2.9

Regenerate gemspec for version 0.2.8

Regenerate gemspec for version 0.2.7

Regenerate gemspec for version 0.2.6

Regenerate gemspec for version 0.2.5