fix: uninitialized constant Sockudo::Signature

lib/sockudo.rb

@@ -31,10 +31,6 @@ def initialize(key)
 
   class HTTPError < Error; attr_accessor :original_error; end
 
-  # Alias Pusher::Signature into the Sockudo namespace so that request signing
-  # works correctly (pusher-signature gem defines Pusher::Signature, not Sockudo::Signature).
-  Signature = Pusher::Signature
-
   class << self
     extend Forwardable
 

lib/sockudo/client.rb

@@ -72,7 +72,7 @@ def authentication_token
       raise ConfigurationError, :key unless @key
       raise ConfigurationError, :secret unless @secret
 
-      Sockudo::Signature::Token.new(@key, @secret)
+      Pusher::Signature::Token.new(@key, @secret)
     end
 
     # @private Builds a url for this app, optionally appending a path

lib/sockudo/request.rb

@@ -23,7 +23,7 @@ def initialize(client, verb, uri, params, body = nil, extra_headers = {})
         @head['Content-Type'] = 'application/json'
       end
 
-      request = Sockudo::Signature::Request.new(verb.to_s.upcase, uri.path, params)
+      request = Pusher::Signature::Request.new(verb.to_s.upcase, uri.path, params)
       request.sign(client.authentication_token)
       @params = request.signed_params
     end