v0.2.0

Major changes

• Flatten provided values in Arx::Paper's field instance methods (allow an array as the values splat parameter). (#5)
• Add Arx.find and Arx.get as aliases for Arx.search. (#6, #8)

Minor changes

• Add homepage and metadata fields to arx.gemspec. (#1, #14)
• Specify required ruby version (~> 2.5) in arx.gemspec. (#2)
• Add badges to README.md. (#3, #9)
• Fix documentation for Arx::Paper's field methods exact argument. (#4)
• Update documentation links in arx.gemspec and README.md. (#7)
• Remove newline from end of Gemfile. (#11)
• Add ruby-head version to RVM rubies in .travis.yml. (#12)
• Remove unnecessary git-ignored files. (#13, #10)