[FIX] (Windows Paths) Building of script file url was missing an additional "/".
[FIX] (MultiChart Cliping) Small-charts beyond the initial chart size would appear clipped.
[FEAT][BREAK] (preExecution) the preExecution handler is now called in CGG as well to avoid normal user misundertsanding.
   Attention, that this may break older charts that counted on preExecution not being called in CGG.
[FEAT] (parammultiChartOverflow) This parameter can be specified in the url to override the chart's default setting.
[FEAT] (CCC MultiChart Overflow) New option multiChartOverflow controls whether to 'grow' (the default value), 'fit' or 'clip' if small charts would otherwise not fit in the initially given chart size.