Only report warnings from integrate.quad() in pln_lik for the final calculation of the likelihood (i.e., not during the iterative fmin() search for the MLEs).
Only report warnings from integrate.quad() in pln_lik for the final calculation of the likelihood (i.e., not during the iterative fmin() search for the MLEs).

davharris/macroecotools,weecology/macroecotools,weecology/macroecotools,rueuntal/macroecotools,rueuntal/macroecotools