 - Fixes crashes in the CSV Field Mapping sheet caused by multiple threads and autorelease pools (fixes Issue #326)  - Reset the field mapping table list whenever it's about to be populated, fixing errors when performing imports into multi databases in the same session
 - Fixes crashes in the CSV Field Mapping sheet caused by multiple threads and autorelease pools (fixes Issue #326)
 - Reset the field mapping table list whenever it's about to be populated, fixing errors when performing imports into multi databases in the same session

vieten/sequel-pro,brittneybrinsfield/sequel-pro,prabowomurti/sequel-pro,brittneybrinsfield/sequel-pro,prabowomurti/sequel-pro,Shooter7119/sequel-pro,vieten/sequel-pro,vieten/sequel-pro,prabowomurti/sequel-pro,prabowomurti/sequel-pro,prabowomurti/sequel-pro,Shooter7119/sequel-pro,Shooter7119/sequel-pro,brittneybrinsfield/sequel-pro,Shooter7119/sequel-pro,Shooter7119/sequel-pro,vieten/sequel-pro,brittneybrinsfield/sequel-pro