yuyang/practice @ 483c6daea949ae4ebe63c914bdf87a3d4e6aedfa

yu yang 483c6daea9 add relation model		1 gadu atpakaļ
..
__init__.py	1ce3d90772 create models	1 gadu atpakaļ
base.py	f26a08348e add base model	1 gadu atpakaļ
library_book.py	b177f70f81 create models	1 gadu atpakaļ
relation.py	483c6daea9 add relation model	1 gadu atpakaļ
test.py	ae8dd6b267 add test model	1 gadu atpakaļ