Merge pull request #2 from bourivouh/master

Поправлены операторы
Merge pull request #3 from bourivouh/master

remove pyodbc '?' support and add last_insert_id
Merge pull request #4 from bourivouh/master

change last_insert_id to currval
#4 version 0.1.1
Merge pull request #6 from bourivouh/master

Enforce constraint validation
Merge remote-tracking branch 'remotes/upstream/master'

Conflicts:
	setup.py