xcodeproj 1.5.8

on Ruby Gems

Enhancements

• Update LAST_KNOWN_IOS_SDK to 11.3
  Piasy

• Create new static library targets without linking against
  system frameworks, for new build system compatibility.
  Samuel Giddins

Bug Fixes

• Fix add_build_configuration for PBXAggregateTarget
  Dimitris Koutsogiorgas
  #565

• Fixed undefined method isa for nil:NilClass when deleting a Xcodeproj target.
  JanC
  #462

• Fix parsing of build settings when a key and value are not
  seprated from the = by whitespace
  Daniel Petri
  #566

• Serialize arrays in Xcode projects based upon the project's object version.
  Samuel Giddins

• Warn when encountering unknown attributes instead of bailing out.
  theoriginalgri
  #535