Implement request host, path and content_type access

lib/nanoserve.rb

@@ -98,6 +98,14 @@ module NanoServe
         @body         = +''.encode('ASCII-8BIT')
       end
 
+      def host
+        @headers['host']
+      end
+
+      def path
+        @uri.path
+      end
+
       def params
         Hash[*@uri.query.split('&').map { |kv| kv.split('=') }.flatten]
       end
@@ -132,6 +140,10 @@ module NanoServe
         @headers.key?('content-length')
       end
 
+      def content_type
+        @headers['content-type']
+      end
+
       private
 
       REQ_RE = %r{(?<method>[A-Z]+)\s+(?<path>\S+)\s+(?<version>HTTP/\d+.\d+)$}