Mini Profiler and fast stack update, resolves infinite loop in flame graphs

Gemfile_rails4.lock

@@ -89,6 +89,13 @@ GIT
       rake
       rake-compiler
 
+GIT
+  remote: https://github.com/MiniProfiler/rack-mini-profiler.git
+  revision: 292cb226b37ab58200f06aaa3cbe165dc25e7cc9
+  specs:
+    rack-mini-profiler (0.1.31)
+      rack (>= 1.1.3)
+
 GIT
   remote: https://github.com/SamSaffron/annotate_models.git
   revision: ebe4ba7e3f6ceeb43e4e40078da2b261a1bb71b2
@@ -216,7 +223,7 @@ GEM
     fast_blank (0.0.1)
       rake
       rake-compiler
-    fast_stack (0.0.6)
+    fast_stack (0.1.0)
       rake
       rake-compiler
     fast_xs (0.8.0)
@@ -341,8 +348,6 @@ GEM
       rack (>= 0.4)
     rack-cors (0.2.8)
       rack
-    rack-mini-profiler (0.1.31)
-      rack (>= 1.1.3)
     rack-openid (1.3.1)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)
@@ -523,7 +528,7 @@ DEPENDENCIES
   qunit-rails
   rack-cache
   rack-cors
-  rack-mini-profiler
+  rack-mini-profiler!
   rails!
   rails-observers
   rails_multisite!