0.4.6 release: Documentation udpates

Update Gemfile.lock.development

Regenerated gemspec for version 0.4.4

Regenerated gemspec for version 0.4.3

Regenerated gemspec for version 0.4.2

Regenerated gemspec for version 0.4.1

Regenerated gemspec for version 0.4.0

Regenerated gemspec for version 0.3.5

Regenerated gemspec for version 0.3.4

Regenerated gemspec for version 0.3.3