Make sure model dataset and dataset mutation methods are created for order_append and order_prepend
Make sure model dataset and dataset mutation methods are created for order_append and order_prepend

mpalmer/sequel,mpalmer/sequel,nju520/sequel,Marketcircle/sequel,beni55/sequel,yazshel/sequel,gferguson-gd/sequel,dennis-d/custom_sequel,tmm1/sequel,offshore-safety/sequel,chef/sequel,nicohvi/sequel,gferguson-gd/sequel,bigfix/sequel,pfarrell/sequel,t-morgan/sequel,offshore-safety/sequel,nicohvi/sequel,yazshel/sequel,knut2/sequel,freshpay/sequel,uhoh-itsmaciek/sequel,davidbegin/sequel,offshore-safety/sequel,seeARMS/sequel,reubano/sequel,reubano/sequel,t-morgan/sequel,nju520/sequel,seeARMS/sequel,knut2/sequel,pfarrell/sequel,freshpay/sequel,uhoh-itsmaciek/sequel,beni55/sequel,davidbegin/sequel,dennis-d/custom_sequel