Implemented update message handling in the bot's core.

Hsbot/PluginUtils.hs

@@ -0,0 +1,15 @@
+module Hsbot.PluginUtils
+    ( sendToPlugin
+    ) where
+
+import Control.Concurrent
+import Control.Concurrent.Chan ()
+import Control.Monad.State
+
+import Hsbot.Types
+
+-- | Sends a msg to a plugin
+sendToPlugin :: BotMsg -> PluginState -> Bot ()
+sendToPlugin botMsg plugin = do
+    liftIO $ writeChan (pluginChan plugin) botMsg
+