made world a property and added more documentation
made world a property and added more documentation

walterhiggins/ScriptCraft,TonyGravagno/ScriptCraft,itrion/ScriptCraft,mverwijs/ScriptCraft,ut7/ScriptCraft,achang6/ScriptCraft,carlrobert/ScriptCraft,EllieAdam/ScriptCraft,mverwijs/ScriptCraft,itrion/ScriptCraft,carlrobert/ScriptCraft,bgon/BlocklyCraft,kzap/ScriptCraft,kzap/ScriptCraft,vorburger/ScriptCraft,achang6/ScriptCraft,bgon/BlocklyCraft,kamem/ScriptCraft,TonyGravagno/ScriptCraft,dighjd12/ScriptCraft,ut7/ScriptCraft,vorburger/ScriptCraft,kamem/ScriptCraft,EllieAdam/ScriptCraft,dighjd12/ScriptCraft,walterhiggins/ScriptCraft,bgon/BlocklyCraft