Gem bumps
Refactors Fuzzily::Searchable
Adds Rails 4 compatibility. Fixes #12.
Fixes mysql2 warning.
Bumps version.
Excludes Ruby 1.8.7 + Rails 4 from the build matrix.
Adds thanks.
Excludes Ruby 1.9.2 + Rails 4 from the build matrix.
Merge pull request #14 from mezis/rails4

Rails4 compatibility