Small fix in Experiment class (get_length() rturns correct time when called while in loop.

src/experiments/Experiment.py

@@ -558,7 +558,8 @@ class Experiment:
         #calculate the correct timelength also for unclosed loops, if there is no unclosed loop
         #the timelength of this experiment is self.total_time[-1].
         for i in range(len(self.total_time)):
-            timelength += self.total_time[i]*self.loop_iterations[i]
+            timelength += self.total_time[i]
+            timelength *= self.loop_iterations[i]
             
         return timelength
 
@@ -602,7 +603,7 @@ def self_test():
     e.set_pts_local()
     print e.write_xml_string()
     
-    print e.get_timelength()
+    print e.get_length()
 
 if __name__ == '__main__':
     self_test()