protect against bots with timeouts

Gemfile.lock

@@ -54,6 +54,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    coderay (1.1.0)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -80,6 +81,7 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
+    method_source (0.8.2)
     mime-types (2.6.2)
     mini_portile (0.6.2)
     minitest (5.8.1)
@@ -98,6 +100,12 @@ GEM
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
     origin (2.1.1)
+    pry (0.10.2)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
+    pry-rails (0.3.4)
+      pry (>= 0.9.10)
     puma (2.14.0)
     rack (1.6.4)
     rack-test (0.6.3)
@@ -174,6 +182,7 @@ GEM
       activesupport (>= 3.1, < 5.0)
       railties (>= 3.1, < 5.0)
       slim (~> 3.0)
+    slop (3.6.0)
     spring (1.4.0)
     sprockets (3.3.5)
       rack (> 1, < 3)
@@ -212,6 +221,7 @@ DEPENDENCIES
   jquery-rails
   mongoid (~> 5.0.0)
   mongoid-rspec (= 3.0.0)
+  pry-rails
   puma
   rails (= 4.2.4)
   rails-i18n