ScopeTimer + small fixes

src/util/timeutil.h

@@ -12,6 +12,19 @@ namespace timeutil {
         int64_t stop();
     };
 
+/*  Timer that stops and prints time when destructor called
+ *  @example:
+ *      {                                     // some scope (custom, function, if/else, cycle etc.)
+ *      timeutil::ScopeLogTimer scopeclock();
+ *      ...
+ *      } */
+    class ScopeLogTimer : public Timer{
+            long long scopeid_;
+        public:
+            ScopeLogTimer(long long id);
+            ~ScopeLogTimer();
+    };
+
     float time_value(float hour, float minute, float second);
     void from_value(float value, int& hour, int& minute, int& second);
 }