2.1.0

New Features

• Added the basename and dirname string filters for getting a filename, or parent folder (respectively), out of a path.
  David Jennes
  #60
• Modify the swiftIdentifier string filter to accept an optional "pretty" mode, to also apply the snakeToCamelCase filter and other manipulations if needed for a "prettier" but still valid identifier.
  David Jennes
  #61

Internal Changes

• Ensure swiftlint is run using bundler.
  David Jennes
  #59