Added first version of the code, tests and docs.
Improved test on dates and datetimes.
Improved resolution of Django column names.
Moved function to other module.
Fixed as_sql of date and datetimes.
Added representation of Query to be as_sql().
Added initial support to postgres.
Added sentence in Query docs: there can be only one MATCH per query.
Fixed date conversion in postgres.
Added interface to Django's QuerySet in QuerySet.
Wrote first README.
Added another limitation to docs.
Added pymysql to test package.