Added support for --net and --entrypoint.

dup.rb

@@ -19,6 +19,8 @@ MAPPINGS = [
 	['stop_signal', '--stop-signal'],
 	['stop_grace_period', '--stop-timeout'],
 	['devices', '--device'],
+	['net', '--net'],
+	['entrypoint', '--entrypoint'],
 	['image', nil],
 	['command', nil, {:escape=>false}]
 ]
@@ -30,6 +32,7 @@ def get_sample(name="container")
 		  image: "my/image:1.2.3"
 		  restart: always
 		  command: "/bin/bash"
+		  entrypoint: "/script.sh"
 		  build: "/data/dir"
 		  pull: false
 		  
@@ -51,6 +54,7 @@ def get_sample(name="container")
 		  container_name: "Something"
 		  mem_limit: 125M
 		  stdin_open: false
+		  net: host
 		  tty: false
 		  detach: true
 		  remove: false