added verbose doctests for ols diagnostics
added verbose doctests for ols diagnostics
Alwnikrotikz/pysal,tectronics/pysal,AlanZatarain/pysal,Alwnikrotikz/pysal,AlanZatarain/pysal,Alwnikrotikz/pysal,AlanZatarain/pysal,tectronics/pysal,tectronics/pysal