Change the name draw to render in player.

[MOD] Change the name draw to render in player.
[MOD] Move player table from local to instance of stage.
Remove box2d physics engine.

[NEW] Split the stage into stage, map, script files.
[NEW] Add table.clone function.
[NEW] Add table.merge function.
[NEW] Add table.recursiveMerge functions.
[NEW] Add map, text, stage, script, and object file paths to
nexus.system.paths.
[NEW] Add nexus.system.parameters to store global parameters.
[NEW] Add nexus.object.move function.
[NEW] Add nexus.object.isMoving function.
[NEW] Add nexus.object.isPassable function.
[NEW] Add width and height of map in stage file.
[MOD] Now use simpler method to simulate the game world.
[MOD] Now the game will not load love.physics module.
[MOD] Rename draw function to render in stage file.
[DEL] Remove related statements about box2d physics engine.