v0.2.1

• Change specs for Metadata.from_file and Readme#render to run against test
  fixtures.
• Remove --constraints option. If a version constraint is specified in
  metadata.rb, it should always be reflected in README.md.
• Remove support for Ruby 1.8.7, which has reached end of life.
• Use require_relative.
• Add lib/knife_cookbook_readme.rb, which requires all lib files.

v0.2.0

• Split up logic into Metadata, Readme, and Template classes. Add specs.
• Make DEFAULT_CONSTRAINT a module variable.

v0.1.3

• Add RSpec tests, including Rake task and Travis CI config.

README updates:

• Link to Opscode's metadata docs.
• Say that knife-cookbook-doc is based on knife-cookbook-readme.
• Add contributing guidelines.

v0.1.2

• Add title to generated README and decrease level of headings.
• Rename "templates" directory to "template".
• Add alternative Chef documentation tools to README.
• Remove Gemfile.lock.