class PBXProject

def build_configuration_list
  self.project_file.object_with_uuid self["buildConfigurationList"]
end

def help
  puts "target = project.targets.first\n=> " + PBXNativeTarget.to_s
  puts "list = project.build_configuration_list\n=> " + XCConfigurationList.to_s
  puts "group = project.main_group"
  PBXGroup
end

def main_group
  self.project_file.object_with_uuid self["mainGroup"]
end

def targets
  self.project_file.objects_with_uuids self["targets"]
end