Switch to debugger for Ruby 1.9

Gemfile

@@ -4,5 +4,5 @@ gemspec
 
 group :test do
   gem 'ruby-debug', :platforms => :mri_18
-  gem 'ruby-debug19', :platforms => :mri_19
+  gem 'debugger', :platforms => :mri_19
 end

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    routing-filter (0.3.0)
+    routing-filter (0.3.1)
       actionpack
 
 GEM
@@ -26,15 +26,19 @@ GEM
     appraisal (0.4.0)
       bundler
       rake
-    archive-tar-minitar (0.5.2)
     builder (2.1.2)
     columnize (0.3.2)
+    debugger (1.1.3)
+      columnize (>= 0.3.1)
+      debugger-linecache (~> 1.1.1)
+      debugger-ruby_core_source (~> 1.1.2)
+    debugger-linecache (1.1.1)
+      debugger-ruby_core_source (>= 1.1.1)
+    debugger-ruby_core_source (1.1.2)
     erubis (2.6.6)
       abstract (>= 1.0.0)
     i18n (0.5.0)
     linecache (0.43)
-    linecache19 (0.5.12)
-      ruby_core_source (>= 0.1.4)
     rack (1.2.5)
     rack-mount (0.6.14)
       rack (>= 1.0.0)
@@ -46,26 +50,16 @@ GEM
       ruby-debug-base (~> 0.10.4.0)
     ruby-debug-base (0.10.4)
       linecache (>= 0.3)
-    ruby-debug-base19 (0.11.25)
-      columnize (>= 0.3.1)
-      linecache19 (>= 0.5.11)
-      ruby_core_source (>= 0.1.4)
-    ruby-debug19 (0.11.6)
-      columnize (>= 0.3.1)
-      linecache19 (>= 0.5.11)
-      ruby-debug-base19 (>= 0.11.19)
-    ruby_core_source (0.1.5)
-      archive-tar-minitar (>= 0.5.2)
     test_declarative (0.0.5)
-    tzinfo (0.3.32)
+    tzinfo (0.3.33)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   appraisal
+  debugger
   i18n
   routing-filter!
   ruby-debug
-  ruby-debug19
   test_declarative