Minor style improvements and UX tweaks
ADD: treeSortByTagPair, to sort based on tags with antitag
Fixes #33 Fixes #18
Now its posible to set sizes in many different forms
Change sizes to sizes(default) in your preset file to load sizes by default
Add sizes(<string>) . string corresponds to the preset name.

GUI is still in heavy testing.
Version bump v2.1.0pre because of massive GUI change in resize