[BuildSettings] Group & document methods

spec/unit/target/build_settings/aggregate_spec.rb

@@ -354,7 +354,7 @@ module Pod
 
           it 'uses the target definition swift version' do
             @target_definition.stubs(:swift_version).returns('0.1')
-            @generator.__clear__
+            @generator.send :__clear__
             @generator.send(:target_swift_version).should == Version.new('0.1')
           end
 

spec/unit/target/build_settings/pod_spec.rb

@@ -212,7 +212,7 @@ module Pod
             pod_target.stubs(:build_settings => Pod.new(pod_target, false))
             @generator.spec_consumers.each { |sc| sc.stubs(:frameworks => []) }
             @generator.stubs(:dependent_targets => [pod_target])
-            @generator.__clear__
+            @generator.send :__clear__
             @generator.other_ldflags.should.be == %w(-l"VendoredDyld" -l"xml2" -framework "VendoredFramework" -framework "XCTest" -weak_framework "iAd")
           end
         end