Rename Citrine::Pipe::I18n to Citrine::I18n::Handler

This completes the transition to a shard that is not
Amber-specific.

Author: docelic

spec/citrine-i18n_spec.cr

@@ -5,13 +5,13 @@ require "http"
 I18n.load_path += ["./spec/fixtures/"]
 I18n.init
 
-describe Citrine::Pipe::I18n do
+describe Citrine::I18n::Handler do
 
   it "should set language from header" do
     request = HTTP::Request.new("GET", "/")
     request.headers["Accept-Language"] = "fr,en-US;q=0.7,en;q=0.3"
     context = create_context(request)
-    handler = Citrine::Pipe::I18n.new
+    handler = Citrine::I18n::Handler.new
     handler.call(context)
     I18n.locale.should eq "fr"
   end
@@ -20,7 +20,7 @@ describe Citrine::Pipe::I18n do
     request = HTTP::Request.new("GET", "/")
     request.headers["Accept-Language"] = "fr;q=0.6,en-US;q=0.7"
     context = create_context(request)
-    handler = Citrine::Pipe::I18n.new
+    handler = Citrine::I18n::Handler.new
     handler.call(context)
     I18n.locale.should eq "en"
   end

src/citrine-i18n.cr

@@ -1,7 +1,7 @@
 require "amber"
 require "i18n"
 require "./citrine-i18n/parser"
-require "./citrine-i18n/pipes/i18n"
+require "./citrine-i18n/handler"
 
 module Citrine::I18n
 	def self.configure

src/citrine-i18n/pipes/i18n.cr src/citrine-i18n/handler.crsrc/citrine-i18n/pipes/i18n.cr renamed to src/citrine-i18n/handler.cr

@@ -1,7 +1,7 @@
 module Citrine
-  module Pipe
+  module I18n
     # Handler to initialize I18n for the request.
-    class I18n
+    class Handler
       include HTTP::Handler
       HEADER = "Accept-Language"