Fixes #35: Create a copy of operations in CreateChartBalance, to avoid messing with current sorting in the Operations section.
Fixes #35: Create a copy of operations in CreateChartBalance, to avoid messing
with current sorting in the Operations section.

frankrousseau/kresus,ZeHiro/kresus,jankeromnes/kresus,ZeHiro/kresus,rlustin/kresus,goofy-bz/kresus,jankeromnes/kresus,rlustin/kresus,rlustin/kresus,goofy-bz/kresus,robinmoussu/kresus,cylwin/kresus,bnjbvr/kresus,cylwin/kresus,jankeromnes/kresus,jankeromnes/kresus,frankrousseau/kresus,cylwin/kresus,bnjbvr/kresus,robinmoussu/kresus,frankrousseau/kresus,robinmoussu/kresus,ZeHiro/kresus,cylwin/kresus,frankrousseau/kresus,bnjbvr/kresus,goofy-bz/kresus,rlustin/kresus,goofy-bz/kresus,robinmoussu/kresus,bnjbvr/kresus,ZeHiro/kresus