web-console version 3.1.0 not working with master version.

rails/web-console#184

Gemfile

@@ -37,7 +37,7 @@ end
 
 group :development do
   # Access an IRB console on exception pages or by using <%= console %> in views
-  gem 'web-console', '~> 3.0'
+  gem 'web-console', '~> 3.0.0'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem

Gemfile.lock

@@ -4,7 +4,8 @@ GEM
     actioncable (5.0.0.beta1.1)
       actionpack (= 5.0.0.beta1.1)
       coffee-rails (~> 4.1.0)
-      nio4r (~> 1.2)
+      eventmachine (~> 1.0)
+      faye-websocket (~> 0.10.0)
       websocket-driver (~> 0.6.1)
     actionmailer (5.0.0.beta1.1)
       actionpack (= 5.0.0.beta1.1)
@@ -54,7 +55,11 @@ GEM
     concurrent-ruby (1.0.0)
     debug_inspector (0.0.2)
     erubis (2.7.0)
+    eventmachine (1.0.9.1)
     execjs (2.6.0)
+    faye-websocket (0.10.2)
+      eventmachine (>= 0.12.0)
+      websocket-driver (>= 0.5.1)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
     i18n (0.7.0)
@@ -75,11 +80,10 @@ GEM
     mini_portile2 (2.0.0)
     minitest (5.8.4)
     multi_json (1.11.2)
-    nio4r (1.2.0)
     nokogiri (1.6.7.2-x86-mingw32)
       mini_portile2 (~> 2.0.0.rc2)
     pg (0.18.4-x86-mingw32)
-    puma (2.15.3)
+    puma (2.16.0)
     rack (2.0.0.alpha)
       json
     rack-test (0.6.3)
@@ -160,7 +164,7 @@ DEPENDENCIES
   turbolinks
   tzinfo-data
   uglifier (>= 1.3.0)
-  web-console (~> 3.0)
+  web-console (~> 3.0.0)
 
 BUNDLED WITH
    1.11.2