'column' function (make a ColumnClause) is more useful from sql module, removed 'column' (make a ColumnProperty) from __init__
'column' function (make a ColumnClause) is more useful from sql module, removed 'column' (make a ColumnProperty) from __init__


git-svn-id: 655ff90ec95d1eeadb1ee4bb9db742a3c015d499@949 8cd8332f-0806-0410-a4b6-96f4b9520244

obeattie/sqlalchemy,obeattie/sqlalchemy,obeattie/sqlalchemy