Update tbox.simba

added TBox.hasEqualDimensions

compares w & h, true if both are of same dimensions
backpack updates
Merge pull request #74 from Fratello/master

Update tbox.simba
doc fix
two new tpa type functions.
yearly changes.txt update
Made minimap dot constants internal, and made bankscreen._scrollUp external.
Merge branch 'master' of https://github.com/SRL/SRL-6