hearthstone.lua: Temporary fix. API does not play well with lua-sec, so using curl for now.

bindings.lua: Added support for kickChatMember and unbanChatMember methods.

utilties.lua: enrich_message() will rename the new_chat_member and left_chat_member values to the names
expected by plugins: new_chat_participant and left_chat_participant.

bot.lua: Removed migration code. Rewrite soon.

eightball.lua: Bugfix.

config.lua

@@ -2,12 +2,12 @@ return {
 
 	-- Your authorization token from the botfather.
 	bot_api_key = '',
+	-- Your Telegram ID.
+	admin = 00000000,
 	-- Differences, in seconds, between your time and UTC.
 	time_offset = 0,
 	-- Two-letter language code.
 	lang = 'en',
-	-- Your Telegram ID.
-	admin = 00000000,
 	-- The channel, group, or user to send error reports to.
 	-- If this is not set, errors will be printed to the console.
 	log_chat = nil,