Updates in this version:

• Adding option to create constraints between objects with Matter.js physics engine (fixed distance between objects) in the level editor.
• Adding new event action: "Add constraint" (fixed distance between objects).
• Adding new event action: "Is button down".
• Adding new event action: "Draw arc".
• Adding new math expression: "arctangent".
• Adding new library images and categories.
• Adding "alpha" attribute to all event actions of "Drawing" category.
• Adding "mouseButton" attribute to event conditions "Click on object" and "On button click".
• Allowing to select, delete and move multiple elements in the level editor.
• Allowing to change object angle in the level editor (only for objects with Matter.js physics engine).
• Enabling again the option to view the Javascript source code of visual scripts.
• Disabling grid rendering automatically in level preview when zoom out is too much.
• Improvements in visual script debugging.