* fixed load_drl to accept unsetted QComboBox
* simplified update_profile function

*Adds line when last line of table is edited

* drltools heavily rewritten to less spaghetti-like code
* reduced number of calls produced by the user
* minimized call impact only the logical one
* TODO: make daughter ion-table generation less demanding

* improved layout, fixed naming
* connected functions to value changes inside the table

* hopefully did not forget about any instance - we will see..

* Add line now adds line with (Vals+1) compared to upper line

* solves the annoying default button Qt5 feature

* better input sanitization will be needed someday in future

* Undecided where to keep pushbuttons
* Added verification that mass does not end-up empty

* Revision towards JR wishes

* Add parent code still remains ugly, but it works slightly better
* Daugher table needs desition about its form now.

* still preliminary - code is messy there

created function for construction of the tables.