* Added the pivot system
* Some re-arrangement
* a bug-fix
* fixed a conversion scale bug
The problem was the conversion from rect to pixel scale was not properly done, i changed it so that it sets conversion factor of shorter side according to the longer side
* Fix to allow manual pivoting
* remove an update()
i may have added it my self but i think its not needed now
* made shader pivot consistent with gd script
by doing `pivot + Vector2(0.5, 0.5)` for "Nearest neighbour (Shader)"
* Cosmetics
* Formatting
* more formatting
* an optimization
* add limit change with brush
* Delete Draw.gd
* Delete BaseTool.gd
* added error calculation
* revert last commit
* fixed rotation bug caused on some transparency
* fix for a bug
when selection was present
* added a comment
* added a fix when selection was enabled
* formating
* fixed another bug
* Added quick buttons for rotation
* Added a timer to filter out useless values
This timer will determine if you actually want to view these changes or just want to skip ahead
* a live preview checkbox
* Some dialog improvements
* Minor changes/adjustments
