Overview of changes in gnome-calculator 44.beta
* Updated translations
* Improved factorization !141 (J. Sory)
* Number format selection documentation improvements #321 (Robert Roth)
* Made builtin function descriptions translatable #323 (Robert Roth)
* Fixed display showing 0 on startup #318 (Robert Roth)
* Improved button tooltips !132 (sunflowerskater)
* Added signed int support to programming mode !110 (Erik Wolf)
* i and e constants updated according to ISO 80000-2:2009 !137 (majjejjam)
* Help overlay updates !133 (Sabri Ünal)
* Added preferences shortcut !129 (Sabri Ünal)
* Destroy dialog after clicking cancel #310 (Jaycee Santos)