[Rectangle Movement] [Reviewed] Update: Add ability to move around the border of another object (#857)

* Add ability to move around the border of another object

- Add functions to move around the border of another object (makes designing levels more visual)
- Add condition for clockwise

* Cleanup and object linking improvement

- Object linking now loops into both object lists to cover situations where objects overlap.
- Removed original "move object around another object" function

* Updating based on changes in example game

* Minor grammar edits

Author: tristanbob