use .eu domain for sandbox

lib/zoholib/authorization_request.rb

@@ -18,6 +18,12 @@ module Wedoops
 
             def initialize(options={})
                 @options = Hash.new
+                # environment specific settings
+                if options.has_key?(:environment) && options[:environment] == "sandbox"
+                    self.class.base_uri "https://sandbox.zohoapis.eu/oauth/v2/"
+                    options.delete(:environment)
+                    @options[:environment] = "sandbox"
+                end
 
                 #build_url(options)
                 @logger = ::Logger.new(STDOUT)

lib/zoholib/grant_request.rb

@@ -6,6 +6,11 @@ module Wedoops
             #base_uri "https://accounts.zoho.com/oauth/v2/token"
             #headers: {"Authorization" => "Token token=\"111\""}
             def initialize(options={})
+                if options.has_key?(:environment) && options[:environment] == "sandbox"
+                    self.class.base_uri "https://sandbox.zohoapis.eu/oauth/v2/"
+                    options.delete(:environment)
+                end
+
                 @logger = ::Logger.new(STDOUT)
                 @logged_in = false
                 @options = options

lib/zoholib/refresh_request.rb

@@ -13,6 +13,11 @@ module Wedoops
             #  }
 
             def initialize(options={})
+                # environment specific settings
+                if options.has_key?(:environment) && options[:environment] == "sandbox"
+                    self.class.base_uri "https://sandbox.zohoapis.eu/oauth/v2/"
+                    options.delete(:environment)
+                end
 
                 options.merge!(grant_type: "refresh_token")
                 @options={:query => options} 

lib/zoholib/zoho_basic_client.rb

@@ -16,8 +16,7 @@ module Wedoops
         def initialize(options={})
             # environment specific settings
             if options.has_key?(:environment) && options[:environment] == "sandbox"
-              self.class.base_uri "https://crmsandbox.zoho.com/crm/v2/"
-               options.delete(:environment)
+              self.class.base_uri "https://sandbox.zohoapis.eu/crm/v2/"
             end
 
             #Es un cliennte basico que trabaja a partir de refresh_tokens