Merge branch 'release/0.1.4'

* release/0.1.4:
  tag output improvements
  json output format
  version bump, added completion example
  output format fixes
  really getting somewhere now
  getting somewhere
Merge branch 'release/0.1.5'

* release/0.1.5:
  version bump
  changing find to search
Merge branch 'develop'

* develop:
  Adding Jekyll plugin elements
  a little insensitivity
Merge branch 'release/0.1.6'

* release/0.1.6:
  version bump
  ignoring gem builds
Merge branch 'develop'

* develop:
  Gemfile update
Merge branch 'develop'

* develop:
  README updates
readme update
merge fix
UTF8 fixes, handle piped input, missing YAML headers
Add min_matches setting to default config
FIxes for broken regex, suggest returning nil