Fix concurrent modification error when setting the bin timespan. Modify the instance variable names to follow the standard.
Fix concurrent modification error when setting the bin timespan. Modify the instance variable names to follow the standard.

EuropeanSpallationSource/openxal,EuropeanSpallationSource/openxal,EuropeanSpallationSource/openxal,openxal/openxal,openxal/openxal,luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,luxiaohan/openxal-csns-luxh,luxiaohan/openxal-csns-luxh,luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,openxal/openxal,openxal/openxal,openxal/openxal