Fixing small bug in runfba command
Fixing small bug in runfba command

samseaver/KBaseFBAModeling,kbase/KBaseFBAModeling,mmundy42/KBaseFBAModeling,samseaver/KBaseFBAModeling,kbase/KBaseFBAModeling,kbase/KBaseFBAModeling,mmundy42/KBaseFBAModeling,scanon/KBaseFBAModeling,samseaver/KBaseFBAModeling,samseaver/KBaseFBAModeling,mmundy42/KBaseFBAModeling,scanon/KBaseFBAModeling,scanon/KBaseFBAModeling,samseaver/KBaseFBAModeling,mmundy42/KBaseFBAModeling,scanon/KBaseFBAModeling,scanon/KBaseFBAModeling,kbase/KBaseFBAModeling,kbase/KBaseFBAModeling,mmundy42/KBaseFBAModeling