Add DebugLevel IRC option

Settings.md

@@ -41,6 +41,7 @@
 - [IRC](#irc)
     - [Charset](#charset)
     - [ColorNicks](#colornicks)
+    - [DebugLevel](#debuglevel)
     - [MessageDelay](#messagedelay)
     - [MessageLength](#messagelength)
     - [MessageQueue](#messagequeue)
@@ -519,6 +520,15 @@ Example: enable it
 
 `ColorNicks=true`
 
+## DebugLevel
+Debug log verbosity.
+
+Setting: OPTIONAL \
+Default: 0 \
+Format: int \
+Example:
+
+`DebugLevel=1`
 
 ## MessageDelay
 Flood control.
@@ -619,7 +629,7 @@ Example: enable it
 Password for irc server (if necessary)
 
 Setting: OPTIONAL \
-Format: string (hostname:port) \
+Format: string \
 Example:
 
 `Password="s3cret"`