Clean up remote tracing code, add per-network remote trace settings, add remote trace level, and make local trace output readable again.

node/Hashtable.hpp

@@ -255,6 +255,24 @@ public:
 	}
 	inline const V *get(const K &k) const { return const_cast<Hashtable *>(this)->get(k); }
 
+	/**
+	 * @param k Key
+	 * @param v Value to fill with result
+	 * @return True if value was found and set (if false, v is not modified)
+	 */
+	inline bool get(const K &k,V &v) const
+	{
+		_Bucket *b = _t[_hc(k) % _bc];
+		while (b) {
+			if (b->k == k) {
+				v = b->v;
+				return true;
+			}
+			b = b->next;
+		}
+		return false;
+	}
+
 	/**
 	 * @param k Key to check
 	 * @return True if key is present