improve the with_scope tag based on the work on the editor

lib/locomotive/liquid/tags/with_scope.rb

@@ -23,9 +23,9 @@ module Locomotive
         def decode(attributes, context)
           attributes.each_pair do |key, value|
             attributes[key] = (case value
-            when /true|false/ then value == 'true'
-            when /[0-9]+/ then value.to_i
-            when /'(\S+)'/ then $1
+            when /^true|false$/i then value == 'true'
+            when /^[0-9]+$/ then value.to_i
+            when /^["|'](.+)["|']$/ then $1.gsub(/^["|']/, '').gsub(/["|']$/, '')
             else
               context[value]
             end)

spec/models/content_instance_spec.rb

@@ -41,7 +41,7 @@ describe ContentInstance do
     end
 
   end
-  
+
   describe "#navigation" do
     before(:each) do
       %w(first second third).each_with_index do |item,index|
@@ -50,22 +50,21 @@ describe ContentInstance do
         instance_variable_set "@#{item}", content
       end
     end
-    
+
     it 'should find previous item when available' do
-      puts @second.previous
       @second.previous.custom_field_1.should == "first"
       @second.previous._position_in_list.should == 0
     end
-    
+
     it 'should find next item when available' do
       @second.next.custom_field_1.should == "third"
       @second.next._position_in_list.should == 2
     end
-    
+
     it 'should return nil when fetching previous item on first in list' do
       @first.previous.should == nil
     end
-    
+
     it 'should return nil when fetching next item on last in list' do
       @third.next.should == nil
     end