Don't assume method lists are Strings in 1.9

Object.private_instance_methods and Object.private_methods
return Arrays of Symbols in 1.9.

compat/app_test.rb

@@ -10,7 +10,7 @@ context "Sinatra" do
     object = Object.new
     methods = %w[get put post head delete configure template helpers set]
     methods.each do |method|
-      object.private_methods.should.include(method)
+      object.private_methods.map { |m| m.to_sym }.should.include(method.to_sym)
     end
   end
 

test/extensions_test.rb

@@ -44,8 +44,8 @@ describe 'Registering extensions' do
 
   it 'will make sure any public methods added via Default#register are delegated to Sinatra::Delegator' do
     Sinatra::Default.register FooExtensions
-    assert Sinatra::Delegator.private_instance_methods.include?("foo")
-    assert !Sinatra::Delegator.private_instance_methods.include?("im_hiding_in_ur_foos")
+    assert Sinatra::Delegator.private_instance_methods.map(&:to_sym).include?(:foo)
+    assert !Sinatra::Delegator.private_instance_methods.map(&:to_sym).include?(:im_hiding_in_ur_foos)
   end
 
   it 'will not delegate methods on Base#register' do