Added UnicodeFieldTest to test return values and lookup of unicode values. They pass for SQLite but not PostgreSQL
Added UnicodeFieldTest to test return values and lookup of unicode values. They pass for SQLite but not PostgreSQL

new-xiaji/peewee,bopo/peewee,coreos/peewee,wenxer/peewee,giserh/peewee,Sunzhifeng/peewee,jarrahwu/peewee,ghukill/peewee,lez/peewee,zhang625272514/peewee,Sunzhifeng/peewee,zhang625272514/peewee,new-xiaji/peewee,coreos/peewee,Dipsomaniac/peewee,coleifer/peewee,zhang625272514/peewee,jnovinger/peewee,py4a/peewee,new-xiaji/peewee,softside/peewee,Sunzhifeng/peewee,d1hotpep/peewee,bopo/peewee,fuzeman/peewee,teserak/peewee,coleifer/peewee,jnovinger/peewee,bopo/peewee,Dipsomaniac/peewee,coleifer/peewee,jarrahwu/peewee,giserh/peewee,jarrahwu/peewee,fuzeman/peewee,Dipsomaniac/peewee,stas/peewee,wenxer/peewee,ronyb29/peewee,coreos/peewee,d1hotpep/peewee,mackjoner/peewee