By: Addison Wylie Misunderstandings are a common thread in movies directed by the Farrelly Brothers.  With Dumb and Dumber To, misunderstandings have exceeded past plot and the dimwitted characters. Since Dumb and Dumber To has the filmmakers returning to the past, let’s take a look at their flawed filmography. The 90’s were very kind towards the brothers with Dumb and Dumber, KIngpin, and There’s Something About Mary scoring mightily with audiences.  In 2003, matters started…