added some of the Hogg 2010 implementations to fit_a_line
added some of the Hogg 2010 implementations to fit_a_line

tectronics/agpy,Leotrinos/agpy,Leotrinos/agpy,ufoym/agpy,jcesardasilva/agpy,ufoym/agpy,jcesardasilva/agpy,jcesardasilva/agpy,tectronics/agpy,ufoym/agpy,jcesardasilva/agpy,Leotrinos/agpy,tectronics/agpy,Leotrinos/agpy,tectronics/agpy,ufoym/agpy