Update foreign_key code example to use a table argument (Fixes #956)
Update foreign_key code example to use a table argument (Fixes #956)

pfarrell/sequel,nju520/sequel,nju520/sequel,beni55/sequel,nicohvi/sequel,reubano/sequel,knut2/sequel,yazshel/sequel,seeARMS/sequel,beni55/sequel,t-morgan/sequel,uhoh-itsmaciek/sequel,yazshel/sequel,davidbegin/sequel,gferguson-gd/sequel,seeARMS/sequel,pfarrell/sequel,nicohvi/sequel,uhoh-itsmaciek/sequel,knut2/sequel,reubano/sequel,t-morgan/sequel,davidbegin/sequel,mpalmer/sequel,gferguson-gd/sequel,mpalmer/sequel