0.7.0: Automatic Permanent Press

This is a big release, with lots of improvements especially with regards to configuration. Big thanks to @scottrhoyt, @marcelofabri, @norio-nomura & @garnett for their contributions to this release! 🎉

Breaking

• Replaced all uses of XPCDictionary with
  [String: SourceKitRepresentable].
  JP Simard
• VariableNameMinLengthRule and VariableNameMaxLengthRule have been
  removed. VariableNameRule now has this functionality.
  Scott Hoyt
• ViolationLevelRule has been removed. This functionality is now provided
  by ConfigProviderRule and SeverityLevelsConfig.
  Scott Hoyt

Enhancements

• TypeBodyLengthRule now does not count comment or whitespace lines.
  Marcelo Fabri
  #369
• FunctionBodyLengthRule now does not count comment or whitespace lines.
  Marcelo Fabri
  #258
• All Rules are now configurable in at least their severity: SeverityConfig.
  Scott Hoyt
  #371
  #130
  #268
• TypeNameRule and VariableNameRule conform to ConfigProviderRule using
  NameConfig to support min_length, max_length, and excluded names.
  Scott Hoyt
  #388
  #259
  #191
• Add CyclomaticComplexityRule.
  Denis Lebedev

Bug Fixes

• Fix crash caused by infinite recursion when using nested config files.
  JP Simard
  #368
• Fix crash when file contains NULL character.
  Norio Nomura
  #379