overWrite mode beta bug & suggestion

Hi, first of all great job on the program it's really nice.

There is a small bug on the beta version with the overwirte mode. when it's on overwrite mode it doesn't update automaticly the values only when there is an action, like a mouse click or resize the cells.

Now the suggestion is to make an interface that help users to stream their values, like saving the interpreted values in every x ms or save the values on a database (if it was a SQL database it would be awesome).

Once again thanks and keep up the good work!