Updated readme, fix broken /quit

Author: Colin Stolley

README.md

@@ -39,7 +39,10 @@ Usage
 -----
 From the command line:
 ```
-usage: ircl [-h host] [-p port] [-l log file] [-n nick] [-k keyword] [-v]
+usage: ircl [-h host] [-p port] [-s] [-l log file] [-n nick] [-k password] [-v]
+
+  -s Enable SSL
+  -v Verbose
 ```
 
 The following commands (each beginning with the usual "/") are supported:
@@ -48,14 +51,23 @@ The following commands (each beginning with the usual "/") are supported:
         h help   - display this message
         j join   - JOIN <channel>
         p part   - PART [<channel>]
+        l last   - replay last messages from <channel>
         m msg    - PRIVMSG <channel or nick> <msg>
         a me     - ACTION <msg>
-        s switch - change channel to <channel> or list channels
+        s switch - change channel to <channel> or list channels and return to default
         w who    - WHO [<channel>]
         W whoa   - WHO *
         Q quit   - quit
 ```
 
+Upon successful login, you enter the `ircl% ` channel, which is a command-only channel.
+
+- To join a room, use the `/j` command.
+- To send a message to a user or channel, just start typing the name
+  and hit TAB. Then enter the message.
+- To direct all outgoing messages to a particular user or channel, use
+  `/s` to switch the default channel.
+
 Screen Snapshot
 ---------------
 ![](https://github.com/ccstolley/misc/blob/master/img/ircl_snap.png)
@@ -68,8 +80,7 @@ Stop by #ircl on irc.foonetic.net and ask your question!
 Future plans
 ------------
 
-- add command scripting
-- support a `/last` command
-- improved internal management of nicks and tab-completion
-- editline/libedit support
+- replace libreadline with editline/libedit/linenoise
+- improved internal management of nicks, tab-completion and message history
+- command scripting
 - who knows? Lodge an issue if you have ideas!

ircl.c

@@ -399,7 +399,7 @@ handle_help() {
         "\tl last   - replay last messages from <channel>\n"
         "\tm msg    - PRIVMSG <channel or nick> <msg>\n"
         "\ta me     - ACTION <msg>\n"
-        "\ts switch - change channel to <channel> or list channels\n"
+        "\ts switch - change channel to <channel> or list channels and return to default\n"
         "\tw who    - WHO [<channel>]\n"
         "\tW whoa   - WHO *\n"
         "\tQ quit   - quit\n"
@@ -522,6 +522,7 @@ handle_switch(const char* args) {
 static void
 handle_quit() {
     sout("QUIT Peace.");
+    exit(0);
 }
 
 static void
@@ -793,7 +794,7 @@ main(int argc, char *argv[]) {
             if(++i < argc) initialize_logging(argv[i]);
             break;
         default:
-            eprint("usage: ircl [-h host] [-p port] [-s] [-l log file] [-n nick] [-k keyword] [-v]\n");
+            eprint("usage: ircl [-h host] [-p port] [-s] [-l log file] [-n nick] [-k password] [-v]\n");
         }
     }
     if (!log_file_path) {