API improvements

stbf-api/src/main/java/ru/penkrat/stbf/api/BotCommandChain.java

@@ -1,6 +1,7 @@
 package ru.penkrat.stbf.api;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 
 import lombok.AccessLevel;
@@ -36,4 +37,9 @@ public class BotCommandChain implements CommandChain {
 		return this;
 	}
 
+	public BotCommandChain addAll(Collection<Command> cmds) {
+		commands.addAll(cmds);
+		return this;
+	}
+
 }

stbf-common/src/main/java/ru/penkrat/stbf/common/command/AbstractActionCommand.java

@@ -12,6 +12,10 @@ public abstract class AbstractActionCommand implements Command {
 
 	private RequestMatcher matcher;
 
+	public AbstractActionCommand(RequestMatcher matcher) {
+		this.matcher = matcher;
+	}
+
 	public AbstractActionCommand(Action action) {
 		matcher = RequestMatchers.action(action);
 	}

stbf-common/src/main/java/ru/penkrat/stbf/common/command/SimpleCommand.java

@@ -1,5 +1,6 @@
 package ru.penkrat.stbf.common.command;
 
+import lombok.RequiredArgsConstructor;
 import ru.penkrat.stbf.api.Action;
 import ru.penkrat.stbf.api.BotRequest;
 import ru.penkrat.stbf.api.BotResponse;
@@ -10,6 +11,7 @@ import ru.penkrat.stbf.api.Screen;
 import ru.penkrat.stbf.common.screen.TextScreen;
 import ru.penkrat.stbf.tools.RequestMatchers;
 
+@RequiredArgsConstructor
 public class SimpleCommand implements Command {
 
 	private final RequestMatcher matcher;

stbf-pengrad/src/main/java/ru/penkrat/stbf/impl/pengrad/PengradKeyboardBuilder.java

@@ -24,9 +24,7 @@ public class PengradKeyboardBuilder implements KeyboardBuilder {
             return new KeyboardImpl(keyboard, null);
         }
         if (inlineKeyboard != null) {
-            InlineKeyboardButton[][] smallerArray = new InlineKeyboardButton[inlineKeyboard.length - 1][];
-            System.arraycopy(inlineKeyboard, 0, smallerArray, 0, inlineKeyboard.length - 1);
-            return new KeyboardImpl(null, smallerArray);
+            return new KeyboardImpl(null, inlineKeyboard);
         }
         return new NoKeyboard();
     }