ConnInfo

- Added a `string[string]` key-value pair named `db` to hold the parameters learnt from `RPL_ISUPPORT`s
- Added `updateDB(string, string)` to add an entry to the `db`
- Added `getDB(string)` to fetch a value from the `db` (if it doesn't exist then an empty string `""` is returned)

source/birchwood/config/conninfo.d

@@ -40,6 +40,12 @@ public shared struct ConnectionInfo
      */
     public const string quitMessage;
 
+    /** 
+     * Key-value pairs learnt from the
+     * server
+     */
+    private string[string] db;
+
     /* TODO: before publishing change this bulk size */
 
     /** 
@@ -116,6 +122,26 @@ public shared struct ConnectionInfo
         this.fakeLag = fakeLag;
     }
 
+    public void updateDB(string key, string value)
+    {
+        db[key] = value;
+    }
+
+    public string getDB(string key)
+    {
+        // TODO: Do existence check
+        if(key in db)
+        {
+            return db[key];
+        }
+        else
+        {
+            // TODO: Should throw an exception
+            return "";
+        }
+    }
+
+
     /** 
      * Creates a ConnectionInfo struct representing a client configuration which
      * can be provided to the Client class to create a new connection based on its