Merge pull request #262 from mircoianese/api_5.6

BOT Api v5.6

Author: pengrad

library/src/main/java/com/pengrad/telegrambot/model/MessageEntity.java

@@ -12,7 +12,7 @@ public class MessageEntity implements Serializable {
 
     public enum Type {
         mention, hashtag, cashtag, bot_command, url, email, phone_number, bold, italic, code, pre, text_link,
-        text_mention, underline, strikethrough
+        text_mention, underline, strikethrough, spoiler
     }
 
     private Type type;

library/src/main/java/com/pengrad/telegrambot/request/AbstractSendRequest.java

@@ -29,4 +29,8 @@ public T allowSendingWithoutReply(boolean allowSendingWithoutReply) {
     public T replyMarkup(Keyboard replyMarkup) {
         return add("reply_markup", replyMarkup);
     }
+
+    public T protectContent(boolean protectContent) {
+        return add("protect_content", protectContent);
+    }
 }