migrated to python3 with 2to3
Merge branch 'master' into python3-support
Added PyMysql
Add Makefile
Fixed some unittests
Fixed all unittests except fk_reference_opts....
Fixed all test_cases and refactored reading on_update and on_delete properties from information_schema instead of parsing create table statement
Merge pull request #2 from mmarkov/python3-support

Python3 support