#411 Improve command migration handling, write tests

src/main/resources/commands.yml

@@ -1,24 +1,26 @@
 
 # This configuration file allows you to execute commands on various events.
 # %p in commands will be replaced with the player name.
-# For example, if you want to message a welcome message to a player who just registered:
+# For example, if you want to send a welcome message to a player who just registered:
 # onRegister:
 #   welcome:
 #     command: 'msg %p Welcome to the server!'
 #     as: CONSOLE
-# 
+#
 # This will make the console execute the msg command to the player.
 # Each command under an event has a name you can choose freely (e.g. 'welcome' as above),
-# after which a mandatory 'command' field defines the command to run, 
+# after which a mandatory 'command' field defines the command to run,
 # and 'as' defines who will run the command (either PLAYER or CONSOLE). Longer example:
 # onLogin:
 #   welcome:
 #     command: 'msg %p Welcome back!'
-#     # as: PLAYER  # player is the default, you can leave this out if you want
+#     as: PLAYER
 #   broadcast:
 #     command: 'broadcast %p has joined, welcome back!'
 #     as: CONSOLE
+#
+# Supported command events: onLogin, onJoin, onRegister
 onLogin:
     welcome:
         command: 'msg %p Welcome back!'
-        executor: 'PLAYER'
+        executor: 'PLAYER'