Fix gemspec

rubocop-exception_call.gemspec

@@ -9,23 +9,20 @@ Gem::Specification.new do |spec|
   spec.authors       = ["Masataka Kuwabara"]
   spec.email         = ["p.ck.t22@gmail.com"]
 
-  spec.summary       = %q{TODO: Write a short summary, because Rubygems requires one.}
-  spec.description   = %q{TODO: Write a longer description or delete this line.}
-  spec.homepage      = "TODO: Put your gem's website or public repo URL here."
-
-  # Prevent pushing this gem to RubyGems.org by setting 'allowed_push_host', or
-  # delete this section to allow pushing this gem to any host.
-  if spec.respond_to?(:metadata)
-    spec.metadata['allowed_push_host'] = "TODO: Set to 'http://mygemserver.com'"
-  else
-    raise "RubyGems 2.0 or newer is required to protect against public gem pushes."
-  end
+  spec.summary       = %q{例外送出の際のカンマ忘れを指摘するRubocopプラグイン}
+  spec.description   = %q{例外送出の際のカンマ忘れを指摘するRubocopプラグイン}
+  spec.homepage      = "https://github.com/actcat/rubocop-exception_call"
 
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_runtime_dependency "rubocop", "~> 0.40.0"
+
   spec.add_development_dependency "bundler", "~> 1.11"
   spec.add_development_dependency "rake", "~> 10.0"
+
+  spec.add_development_dependency "rspec", "~> 3.4.0"
+  spec.add_development_dependency 'pry', '~> 0.10.3'
 end