Fix typo in the readme sample command (#131)

fix typo in the readme sample command

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    fast_jsonapi (1.0.17)
+    fast_jsonapi (1.1.0)
       activesupport (>= 4.2)
 
 GEM

README.md

@@ -60,7 +60,7 @@ $ bundle install
 You can use the bundled generator if you are using the library inside of
 a Rails project:
 
-    rails g Serializer Movie name year
+    rails g serializer Movie name year
 
 This will create a new serializer in `app/serializers/movie_serializer.rb`
 

fast_jsonapi.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |gem|
   gem.name = "fast_jsonapi"
-  gem.version = "1.0.17"
+  gem.version = "1.1.0"
 
   gem.required_rubygems_version = Gem::Requirement.new(">= 0") if gem.respond_to? :required_rubygems_version=
   gem.metadata = { "allowed_push_host" => "https://rubygems.org" } if gem.respond_to? :metadata=

spec/lib/object_serializer_performance_spec.rb

@@ -103,6 +103,7 @@ describe FastJsonapi::ObjectSerializer, performance: true do
     data = Hash[serializers.keys.collect { |k| [ k, { json: nil, time: nil, speed_factor: nil }] }]
 
     serializers.each_pair do |k,v|
+    ams_json = nil
       json_method = SERIALIZERS[k].key?(:json_method) ? SERIALIZERS[k][:json_method] : :to_json
       data[k][:time] = Benchmark.measure { data[k][:json] = v.send(json_method) }.real * 1000
     end