Add test for limit+order within compound query.
Add test for limit+order within compound query.

zhang625272514/peewee,new-xiaji/peewee,bopo/peewee,Dipsomaniac/peewee,new-xiaji/peewee,bopo/peewee,zhang625272514/peewee,new-xiaji/peewee,jnovinger/peewee,jarrahwu/peewee,Dipsomaniac/peewee,coleifer/peewee,Sunzhifeng/peewee,jarrahwu/peewee,coleifer/peewee,stas/peewee,bopo/peewee,ronyb29/peewee,lez/peewee,mackjoner/peewee,jarrahwu/peewee,Sunzhifeng/peewee,Dipsomaniac/peewee,coreos/peewee,coleifer/peewee,py4a/peewee,zhang625272514/peewee,fuzeman/peewee,teserak/peewee,coreos/peewee,wenxer/peewee,Sunzhifeng/peewee,ghukill/peewee,wenxer/peewee,fuzeman/peewee,jnovinger/peewee,softside/peewee,coreos/peewee