diff --git a/CHANGELOG.md b/CHANGELOG.md
index 989b3eac..51b454c4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,9 +19,13 @@ Master
 ====
 
 * Directly send binary files in preview and copy them in build, avoiding reading large binary files into memory for rendering. #643 #699
+* Make link_to helper ignore QueryString values when looking up Sitemap resources
+* Directly copy binary files during build, and stream them during preview, to avoid reading them into memory
+* Make sure all paths in Sitemap are using Pathname
 
 3.0.7
 ====
+
 * Turn html5 boilerplate into a layout
 * Fix errors when templates have empty YAML
 * Show the hostname when initializing MM
diff --git a/middleman-core/features/missing-tilt-lib.feature b/middleman-core/features/missing-tilt-lib.feature
new file mode 100644
index 00000000..95b7ba5a
--- /dev/null
+++ b/middleman-core/features/missing-tilt-lib.feature
@@ -0,0 +1,20 @@
+Feature: Tilt missing support libraries
+
+  Scenario: Rendering Textile and Wiki files
+    Given the Server is running at "missing-tilt-library-app"
+    When I go to "/danger-zone/more-wiki.html.wiki"
+    Then I should see "File Not Found"
+    When I go to "/danger-zone/more-wiki.html"
+    Then I should see "File Not Found"
+    When I go to "/safe-zone/my-wiki.html.wiki"
+    Then I should see "Safe"
+    When I go to "/safe-zone/my-wiki.html"
+    Then I should see "File Not Found"
+    When I go to "/textile-source.html.textile"
+    Then I should see "File Not Found"
+    When I go to "/textile-source.html"
+    Then I should see "File Not Found"
+    When I go to "/wiki-source.html.wiki"
+    Then I should see "Hola"
+    When I go to "/wiki-source.html"
+    Then I should see "File Not Found"
\ No newline at end of file
diff --git a/middleman-core/fixtures/missing-tilt-library-app/config.rb b/middleman-core/fixtures/missing-tilt-library-app/config.rb
new file mode 100644
index 00000000..4fcf66d7
--- /dev/null
+++ b/middleman-core/fixtures/missing-tilt-library-app/config.rb
@@ -0,0 +1,2 @@
+ignore "danger-zone/*"
+ignore "*.textile"
\ No newline at end of file
diff --git a/middleman-core/fixtures/missing-tilt-library-app/source/danger-zone/more-wiki.html.wiki b/middleman-core/fixtures/missing-tilt-library-app/source/danger-zone/more-wiki.html.wiki
new file mode 100644
index 00000000..32a18237
--- /dev/null
+++ b/middleman-core/fixtures/missing-tilt-library-app/source/danger-zone/more-wiki.html.wiki
@@ -0,0 +1 @@
+More
\ No newline at end of file
diff --git a/middleman-core/fixtures/missing-tilt-library-app/source/safe-zone/my-wiki.html.wiki b/middleman-core/fixtures/missing-tilt-library-app/source/safe-zone/my-wiki.html.wiki
new file mode 100644
index 00000000..dc30e052
--- /dev/null
+++ b/middleman-core/fixtures/missing-tilt-library-app/source/safe-zone/my-wiki.html.wiki
@@ -0,0 +1 @@
+Safe
\ No newline at end of file
diff --git a/middleman-core/fixtures/missing-tilt-library-app/source/textile-source.html.textile b/middleman-core/fixtures/missing-tilt-library-app/source/textile-source.html.textile
new file mode 100644
index 00000000..04e4284f
--- /dev/null
+++ b/middleman-core/fixtures/missing-tilt-library-app/source/textile-source.html.textile
@@ -0,0 +1 @@
+Textx
\ No newline at end of file
diff --git a/middleman-core/fixtures/missing-tilt-library-app/source/wiki-source.html.wiki b/middleman-core/fixtures/missing-tilt-library-app/source/wiki-source.html.wiki
new file mode 100644
index 00000000..af5a0623
--- /dev/null
+++ b/middleman-core/fixtures/missing-tilt-library-app/source/wiki-source.html.wiki
@@ -0,0 +1 @@
+Hola
\ No newline at end of file
diff --git a/middleman-core/lib/middleman-core/cli/build.rb b/middleman-core/lib/middleman-core/cli/build.rb
index 6cea9d70..608f450e 100644
--- a/middleman-core/lib/middleman-core/cli/build.rb
+++ b/middleman-core/lib/middleman-core/cli/build.rb
@@ -1,4 +1,5 @@
 require "middleman-core"
+require "fileutils"
 
 # CLI Module
 module Middleman::Cli
@@ -64,7 +65,9 @@ module Middleman::Cli
       action GlobAction.new(self, opts)
 
       if @had_errors && !@debugging
-        self.shell.say "There were errors during this build, re-run with --verbose to see the full exception."
+        cmd = "middleman build --verbose"
+        cmd = "bundle exec '#{cmd}'" if defined?(Bundler)
+        self.shell.say "There were errors during this build, re-run with `#{cmd}` to see the full exception."
       end
 
       exit(1) if @had_errors
@@ -118,7 +121,17 @@ module Middleman::Cli
         output_file = File.join(build_dir, resource.destination_path)
 
         if resource.binary?
-          copy_file(resource.source_file, output_file)
+          if !File.exists?(output_file)
+            say_status :create, output_file, :green
+          elsif FileUtils.compare_file(resource.source_file, output_file)
+            say_status :identical, output_file, :blue
+            return output_file
+          else
+            say_status :update, output_file, :yellow
+          end
+
+          FileUtils.mkdir_p(File.dirname(output_file))
+          FileUtils.cp(resource.source_file, output_file)
         else
           begin
             response = self.class.shared_rack.get(URI.escape(resource.destination_path))
diff --git a/middleman-core/lib/middleman-core/core_extensions/rendering.rb b/middleman-core/lib/middleman-core/core_extensions/rendering.rb
index e05d95ed..4dea060a 100644
--- a/middleman-core/lib/middleman-core/core_extensions/rendering.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/rendering.rb
@@ -75,6 +75,19 @@ module Middleman
             app.register Middleman::Renderers::Stylus
           rescue LoadError
           end
+
+          # Clean up missing Tilt exts
+          app.after_configuration do
+            Tilt.mappings.each do |key, klasses|
+              begin
+                Tilt[".#{key}"]
+              rescue LoadError
+                Tilt.mappings.delete(key)
+              rescue NameError
+                Tilt.mappings.delete(key)
+              end
+            end
+          end
         end
 
         alias :included :registered
diff --git a/middleman-core/lib/middleman-core/renderers/sass.rb b/middleman-core/lib/middleman-core/renderers/sass.rb
index 45698ebf..d6d78852 100644
--- a/middleman-core/lib/middleman-core/renderers/sass.rb
+++ b/middleman-core/lib/middleman-core/renderers/sass.rb
@@ -16,12 +16,11 @@ module Middleman
 
           # Location of SASS .sass-cache directory.
           # @return [String]
-          app.config.define_setting :sass_cache_path, nil, 'Location of sass cache' # runtime compile of path
+          app.config.define_setting :sass_cache_path, File.join(app.root_path, '.sass-cache'), 'Location of sass cache' # runtime compile of path
 
           app.before_configuration do
             template_extensions :scss => :css,
                                 :sass => :css
-            config[:sass_cache_path] = File.join(app.root_path, '.sass-cache')
           end
 
           # Tell Tilt to use it as well (for inline sass blocks)
diff --git a/middleman-core/lib/middleman-core/util.rb b/middleman-core/lib/middleman-core/util.rb
index b4b543fe..fba225ec 100644
--- a/middleman-core/lib/middleman-core/util.rb
+++ b/middleman-core/lib/middleman-core/util.rb
@@ -10,7 +10,7 @@ require "thor"
 # Core Pathname library used for traversal
 require "pathname"
 
-require 'win32/file' if File::ALT_SEPARATOR
+require "rack"
 
 module Middleman
 
@@ -21,8 +21,17 @@ module Middleman
     # @param [String] filename The file to check.
     # @return [Boolean]
     def self.binary?(filename)
-      s = (File.read(filename, File.stat(filename).blksize) || "").split(//)
-      ((s.size - s.grep(" ".."~").size) / s.size.to_f) > 0.30
+      ext = File.extname(filename)
+      return false if Tilt.registered?(ext.sub('.',''))
+
+      ext = ".#{ext}" unless ext.to_s[0] == ?.
+      mime = ::Rack::Mime.mime_type(ext, nil) 
+      return false unless mime
+      return false if mime.start_with?('text/')
+      return false if mime.include?('xml')
+      return false if mime.include?('json')
+      return false if mime.include?('javascript')
+      true
     end
 
     # The logger
diff --git a/middleman-more/features/helpers_link_to.feature b/middleman-more/features/helpers_link_to.feature
index 1607cc24..e445f7f0 100644
--- a/middleman-more/features/helpers_link_to.feature
+++ b/middleman-more/features/helpers_link_to.feature
@@ -21,6 +21,40 @@ Feature: link_to helper
     Then I should see 'absolute: <a href="../needs_index.html">Needs Index</a>'
     Then I should see 'relative: <a href="../needs_index.html">Relative</a>'
 
+  Scenario: link_to relative works with strip_index_file
+    Given a fixture app "indexable-app"
+    And a file named "config.rb" with:
+    """
+    set :relative_links, true
+    set :strip_index_file, true
+    helpers do
+      def menu_items(path='link_to.html')
+        sitemap.find_resource_by_destination_path(path).children
+      end
+    end
+    """
+    And a file named "source/link_to.html.erb" with:
+    """
+    <% menu_items.each do |item| %>
+        <%= link_to(item.metadata[:page]['title'], item.url) %>
+        <%= link_to(item.metadata[:page]['title'], item) %>
+    <% end %>
+    """
+    And a file named "source/link_to/sub.html.erb" with:
+    """
+    <% menu_items.each do |item| %>
+        <%= link_to(item.metadata[:page]['title'], item.url) %>
+        <%= link_to(item.metadata[:page]['title'], item) %>
+    <% end %>
+    """
+    And the Server is running at "indexable-app"
+    When I go to "/link_to.html"
+    Then I should see '"link_to/sub.html"'
+    Then I should not see "/link_to/sub.html"
+    When I go to "/link_to/sub.html"
+    Then I should see '"sub.html"'
+    Then I should not see "/link_to/sub.html"
+
   Scenario: link_to produces relative links when :relative_links is set to true
     Given a fixture app "indexable-app"
     And a file named "config.rb" with:
diff --git a/middleman-more/lib/middleman-more/core_extensions/default_helpers.rb b/middleman-more/lib/middleman-more/core_extensions/default_helpers.rb
index fe44eda5..95ddae8a 100644
--- a/middleman-more/lib/middleman-more/core_extensions/default_helpers.rb
+++ b/middleman-more/lib/middleman-more/core_extensions/default_helpers.rb
@@ -129,15 +129,20 @@ module Middleman
 
             # Handle Resources, which define their own url method
             if url.respond_to? :url
-              args[url_arg_index] = url.url
-            elsif url.include? '://'
+              url = args[url_arg_index] = url.url
+            end
+
+            if url.include? '://'
               raise "Can't use the relative option with an external URL" if relative
             elsif current_resource
               # Handle relative urls
               current_source_dir = Pathname('/' + current_resource.path).dirname
 
-              uri = URI(url)
-              url_path = uri.path
+              begin
+                uri = URI(url)
+                url_path = uri.path
+              rescue
+              end
 
               if url_path
                 path = Pathname(url_path)
diff --git a/middleman-more/lib/middleman-more/extensions/automatic_image_sizes.rb b/middleman-more/lib/middleman-more/extensions/automatic_image_sizes.rb
index 927e8f07..00f48e03 100644
--- a/middleman-more/lib/middleman-more/extensions/automatic_image_sizes.rb
+++ b/middleman-more/lib/middleman-more/extensions/automatic_image_sizes.rb
@@ -30,7 +30,11 @@ module Middleman
         # @param [Hash] params
         # @return [String]
         def image_tag(path, params={})
-          if !params.has_key?(:width) && !params.has_key?(:height) && !path.include?("://")
+          params[:supported_extensions] ||= %w(.png .jpg .jpeg .bmp .gif)
+          
+          if !params.has_key?(:width) && !params.has_key?(:height) && !path.include?("://") &&
+            params[:supported_extensions].include?(File.extname(path).downcase)
+            
             params[:alt] ||= ""
 
             real_path = path
@@ -49,6 +53,8 @@ module Middleman
               end
             end
           end
+          
+          params = params.delete_if {|key| key == :supported_extensions }
 
           super(path, params)
         end
diff --git a/middleman/middleman.gemspec b/middleman/middleman.gemspec
index 76d926b5..e2ff56a2 100644
--- a/middleman/middleman.gemspec
+++ b/middleman/middleman.gemspec
@@ -19,6 +19,6 @@ Gem::Specification.new do |s|
 
   s.add_dependency("middleman-core", Middleman::VERSION)
   s.add_dependency("middleman-more", Middleman::VERSION)
-  s.add_dependency("middleman-sprockets", "~> 3.0.2")
+  s.add_dependency("middleman-sprockets", "~> 3.0.6")
 end