Almost all options being config options

The options in the bot configuration should be taken from the
config.json not from the bot source file, as hardcoding options is bad
I've also refactorized the handler, and made most options be config
options

bot.py

@@ -8,28 +8,22 @@ with open('config.json') as c:
     config = json.load(c)
 
 if __name__ == '__main__':
-    if len(sys.argv) > 1:
-        if sys.argv[1] == '--test-mode':
-            channels = ['#jmjl-devel']
-            nick = 'ju[dev]'
-            prefix_plugins = True
-            cmd_prefix='^'
-        else:
-            channels = config['channels']
-            prefix_plugins = False
-            cmd_prefix='&'
-            nick = 'ju'
+    if len(sys.argv) > 1 and if sys.argv[1] == '--test-mode':
+        channels = config['test']['channels']
+        cmd_prefix = config['test']['cmd_prefix']
+        nick = f"{config['nickname']}{config['test']['nick_suffix']}"
+        prefix_plugins = True
     else:
         channels = config['channels']
-        nick = 'ju'
+        cmd_prefix = config['cmd_prefix']
+        nick = config['nickname']
         prefix_plugins = False
-        cmd_prefix='&'
     bot = pinhook.bot.Bot(
         channels,
         nick,
         'localhost',
-        ops=['jmjl'],
-        ns_pass='ju {}'.format(config['password']),
+        ops=config['ops'],
+        ns_pass=f"{config['nickname'] {config['password']}",
         #ns_pass=config['password'],
         nickserv='nickserv',
         cmd_prefix=cmd_prefix,