Added section on event-driven programming and lookup tables to young persons' guide
Added section on event-driven programming and lookup tables to young persons' guide

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