added test files *.lsp

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diff --git a/tests/examplefiles/irc.lsp b/tests/examplefiles/irc.lsp
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+#!/usr/bin/env newlisp
+
+;; @module IRC
+;; @description a basic irc library
+;; @version early alpha! 0.1 2011-10-31 14:21:26
+;; @author cormullion
+;; Usage:
+;; (IRC:init "newlithper") ; a username/nick (not that one obviously :-)
+;; (IRC:connect "irc.freenode.net" 6667) ; irc/server
+;; (IRC:join-channel {#newlisp}) ; join a room
+;; either (IRC:read-irc-loop) ; loop - monitor only, no input
+;; or     (IRC:session)       ; a command-line session, end with /QUIT
+
+(context 'IRC)
+    (define Inickname)
+    (define Ichannels)
+    (define Iserver)
+    (define Iconnected)
+    (define Icallbacks '())
+    (define Idle-time 400) ; seconds
+    (define Itime-stamp)   ; time since last message was processed
+
+(define (register-callback callback-name callback-function)
+    (println {registering callback for } callback-name { : } (sym (term callback-function) (prefix callback-function)))
+    (push (list callback-name (sym (term callback-function) (prefix callback-function))) Icallbacks)) 
+
+(define (do-callback callback-name data)
+   (when (set 'func (lookup callback-name Icallbacks)) ; find first callback
+         (if-not (catch (apply func (list data)) 'error)
+                 (println {error in callback } callback-name {: } error))))
+
+(define (do-callbacks callback-name data)
+   (dolist (rf (ref-all callback-name Icallbacks))
+        (set 'callback-entry (Icallbacks (first rf)))
+        (when   (set 'func (last callback-entry))
+                (if-not (catch (apply func (list data)) 'error)
+                (println {error in callback } callback-name {: } error)))))
+
+(define (init str)
+   (set 'Inickname str)
+   (set 'Iconnected nil)
+   (set 'Ichannels '())
+   (set 'Itime-stamp (time-of-day)))
+
+(define (connect server port)
+    (set 'Iserver     (net-connect server port))
+    (net-send Iserver (format "USER %s %s %s :%s\r\n" Inickname Inickname Inickname Inickname))
+    (net-send Iserver (format "NICK %s \r\n" Inickname))
+    (set 'Iconnected true)
+    (do-callbacks "connect" (list (list "server" server) (list "port" port))))
+
+(define (identify password)
+    (net-send Iserver (format "PRIVMSG nickserv :identify %s\r\n" password)))
+
+(define (join-channel channel)
+    (when (net-send Iserver (format "JOIN %s \r\n" channel))
+          (push channel Ichannels)
+          (do-callbacks "join-channel" (list (list "channel" channel) (list "nickname" Inickname)))))
+
+(define (part chan)
+    (if-not (empty? chan)
+        ; leave specified
+        (begin
+            (net-send Iserver (format "PART %s\r\n" chan))
+            (replace channel Ichannels)
+            (do-callbacks "part" (list (list "channel" channel))))
+        ; leave all
+        (begin
+            (dolist (channel Ichannels)
+                (net-send Iserver (format "PART %s\r\n" channel))
+                (replace channel Ichannels)
+                (do-callbacks "part" (list (list "channel" channel)))))))
+
+(define (do-quit message)
+    (do-callbacks "quit" '()) ; chance to do stuff before quit...
+    (net-send Iserver (format "QUIT :%s\r\n" message))
+    (sleep 1000)
+    (set 'Ichannels '())
+    (close Iserver)
+    (set 'Iconnected nil))
+
+(define (privmsg user message)
+    (net-send Iserver (format "PRIVMSG %s :%s\r\n" user message)))
+
+(define (notice user message)
+    (net-send Iserver (format "NOTICE %s :%s\r\n" user message)))
+
+(define (send-to-server message (channel nil))
+    (cond
+        ((starts-with message {/}) ; default command character
+            (set 'the-message (replace "^/" (copy message) {} 0)) ; keep original
+            (net-send Iserver (format "%s \r\n" the-message)) ; send it
+            ; do a quit
+            (if (starts-with (lower-case the-message) "quit")
+                (do-quit { enough})))
+        (true 
+            (if (nil? channel)
+                ; say to all channels
+                (dolist (c Ichannels)
+                        (net-send Iserver (format "PRIVMSG %s :%s\r\n" c message)))
+                ; say to specified channel
+                (if (find channel Ichannels)
+                    (net-send Iserver (format "PRIVMSG %s :%s\r\n" channel message))))))
+    (do-callbacks "send-to-server" (list (list "channel" channel) (list "message" message))))
+
+(define (process-command sender command text)
+    (cond
+        ((= sender "PING")
+            (net-send Iserver (format "PONG %s\r\n" command)))
+        ((or (= command "NOTICE") (= command "PRIVMSG"))
+            (process-message sender command text))
+        ((= command "JOIN")
+            (set 'username (first (clean empty? (parse sender {!|:} 0))))
+            (set 'channel  (last  (clean empty? (parse sender {!|:} 0))))
+            (println {username } username { joined } channel)
+            (do-callbacks "join" (list (list "channel" channel) (list "username" username))))
+        (true
+            nil)))
+
+(define (process-message sender command text)
+    (let ((username {} target {} message {}))
+        (set 'username (first (clean empty? (parse sender {!|:} 0))))
+        (set 'target   (trim  (first (clean empty? (parse text {!|:} 0)))))
+        (set 'message  (slice text (+ (find {:} text) 1)))
+        (cond 
+            ((starts-with message "\001")
+                (process-ctcp username target message))
+            ((find target Ichannels)
+                (cond 
+                    ((= command {PRIVMSG})
+                        (do-callbacks "channel-message" (list (list "channel" target) (list "username" username) (list "message" message))))
+                    ((= command {NOTICE})
+                        (do-callbacks "channel-notice"  (list (list "channel" target) (list "username" username) (list "message" message))))))
+            ((= target Inickname)
+                (cond 
+                    ((= command {PRIVMSG})
+                        (do-callbacks "private-message" (list (list "username" username) (list "message" message))))
+                    ((= command {NOTICE})
+                        (do-callbacks "private-notice"  (list (list "username" username) (list "message" message))))))
+            (true                
+                nil))))
+  
+(define (process-ctcp username target message)
+    (cond
+        ((starts-with message "\001VERSION\001")
+            (net-send Iserver (format "NOTICE %s :\001VERSION %s\001\r\n" username version)))
+        ((starts-with message "\001PING")
+            (set 'data (first (rest (clean empty? (parse message { } 0)))))
+            (set 'data (trim data "\001" "\001"))
+            (net-send Iserver  (format "NOTICE %s :\001PING %s\001\r\n" username data)))
+        ((starts-with message "\001ACTION")
+            (set 'data (first (rest (clean empty? (parse message { } 0)))))
+            (set 'data (join data { }))
+            (set 'data (trim data "\001" "\001"))
+            (if (find target Ichannels)
+                (do-callbacks "channel-action" (list (list "username" username) (list "message" message))))
+            (if (= target Inickname)
+                (do-callbacks "private-action" (list (list "username" username) (list "message" message)))))
+        ((starts-with message "\001TIME\001")
+            (net-send Iserver (format "NOTICE %s:\001TIME :%s\001\r\n" username (date))))))
+
+(define (parse-buffer raw-buffer)
+    (let ((messages (clean empty? (parse raw-buffer "\r\n" 0)))
+          (sender {} command {} text {}))
+        ; check for elapsed time since last activity    
+        (when (> (sub (time-of-day) Itime-stamp) (mul Idle-time 1000))
+              (do-callbacks "idle-event")
+              (set 'Itime-stamp (time-of-day)))
+        (dolist (message messages)
+            (set 'message-parts (parse message { }))           
+            (unless (empty? message-parts)
+                (set 'sender (first message-parts))
+                (catch (set 'command (first (rest message-parts))) 'error)
+                (catch (set 'text (join (rest (rest message-parts)) { })) 'error))
+            (process-command sender command text))))
+
+(define (read-irc)
+    (let ((buffer {}))
+        (when (!= (net-peek Iserver) 0) 
+              (net-receive Iserver buffer 8192 "\n")
+              (unless (empty? buffer)
+                (parse-buffer buffer)))))
+
+(define (read-irc-loop) ; monitoring
+    (let ((buffer {}))       
+        (while Iconnected    
+            (read-irc)
+            (sleep 1000))))
+
+(define (print-raw-message data) ; example of using a callback
+    (set 'raw-data (lookup "message" data))
+    (set 'channel  (lookup "channel" data))
+    (set 'message-text raw-data)
+    (println (date (date-value) 0 {%H:%M:%S }) username {> } message-text))
+
+(define (print-outgoing-message data)
+    (set 'raw-data (lookup "message" data))
+    (set 'channel  (lookup "channel" data))
+    (set 'message-text raw-data)
+    (println (date (date-value) 0 {%H:%M:%S }) Inickname {> } message-text))
+
+(define (session); interactive terminal
+    ; must add callbacks to display messages
+    (register-callback "channel-message" 'print-raw-message)
+    (register-callback "send-to-server"  'print-outgoing-message)
+    (while Iconnected
+        (while (zero? (peek 0))
+            (read-irc))
+        (send-to-server (string (read-line 0))))
+    (println {finished session } (date))
+    (exit))
+
+; end of IRC code
+