Handle cases when logger can be nil

src/kemal.cr

@@ -16,8 +16,10 @@ at_exit do
   server.ssl = config.ssl
 
   Signal::INT.trap {
-    config.logger.write "Kemal is going to take a rest!\n"
-    config.logger.handler.close
+    if config.logging
+      config.logger.write "Kemal is going to take a rest!\n"
+      config.logger.handler.close
+    end
     server.close
     exit
   }

src/kemal/macros.cr

@@ -39,7 +39,7 @@ end
 # development: STDOUT in
 # production: kemal.log
 macro log(message)
-  Kemal::Logger::INSTANCE.write "#{{{message}}}\n"
+  Kemal::Logger::INSTANCE.write "#{{{message}}}\n" if Kemal.config.logging
 end
 
 # Enables / Disables logging

src/kemal/middleware/ssl.cr

@@ -1,6 +1,5 @@
 module Kemal::Middleware
   class SSL
-
     getter context
 
     def initialize

src/kemal/param_parser.cr

@@ -71,5 +71,4 @@ class Kemal::ParamParser
       @params[key] ||= value
     end
   end
-
 end

src/kemal/route.cr

@@ -42,5 +42,4 @@ class Kemal::Route
     end
     Regex.new "^#{pattern}/?$"
   end
-
 end