Feature: Added ability to draw rectangles and ellipses
Feature: Can now track more object properties
Feature: Alt key now controls how drawing an object behaves
Feature: Added basic functionality to move and delete objects using keyboard
Feature: Added triangle tool
Feature: Added drawing a line with the mouse
Feature; Added support for deleting and moving groups with the keboard
Feature: Added free drawing functionality
Feature: Added arc drawing tool
Fix: Removed unrequired lines