moved less than zero check to main function, TintOpt_objFun, to avoid duplicating code
moved less than zero check to main function, TintOpt_objFun, to avoid duplicating code

KEHANG/RMG-Py,enochd/RMG-Py,nyee/RMG-Py,chatelak/RMG-Py,nyee/RMG-Py,faribas/RMG-Py,chatelak/RMG-Py,faribas/RMG-Py,comocheng/RMG-Py,KEHANG/RMG-Py,enochd/RMG-Py,pierrelb/RMG-Py,nickvandewiele/RMG-Py,nickvandewiele/RMG-Py,pierrelb/RMG-Py,comocheng/RMG-Py