Remove redundat http require and move it to kemal.cr

src/kemal.cr

@@ -1,3 +1,4 @@
+require "http"
 require "./kemal/*"
 require "./kemal/helpers/*"
 require "./kemal/middleware/*"

src/kemal/base_log_handler.cr

@@ -1,5 +1,3 @@
-require "http"
-
 # All loggers must inherit from `Kemal::BaseLogHandler`.
 class Kemal::BaseLogHandler < HTTP::Handler
   def initialize

src/kemal/common_log_handler.cr

@@ -1,5 +1,3 @@
-require "http"
-
 class Kemal::CommonLogHandler < Kemal::BaseLogHandler
   @handler : IO::FileDescriptor
   getter handler

src/kemal/middleware/csrf.cr

@@ -1,5 +1,4 @@
 require "secure_random"
-require "http"
 
 module Kemal::Middleware
   # This middleware adds CSRF protection to your application.
@@ -12,7 +11,7 @@ module Kemal::Middleware
   #
   class CSRF < HTTP::Handler
     HEADER          = "X_CSRF_TOKEN"
-    ALLOWED_METHODS = %w[GET HEAD OPTIONS TRACE]
+    ALLOWED_METHODS = %w(GET HEAD OPTIONS TRACE)
     PARAMETER_NAME  = "authenticity_token"
 
     def call(context)
@@ -41,6 +40,5 @@ module Kemal::Middleware
         context.response.print "Forbidden"
       end
     end
-
   end
 end