- went through examples/ and cleaned out excess list() calls

constructs to sqlalchemy.sql namespace, though
not part of __all__ as of yet.
- [bug] sql.false() and sql.true() compile to
0 and 1, respectively in sqlite [ticket:2368]

     used internally to resolve import cycles,
     such that the usage of __import__ is completed
     when the import of sqlalchemy or sqlalchemy.orm
     is done, thereby avoiding any usage of __import__
     after the application starts new threads,
     fixes [ticket:2279].  Also in 0.6.9.

classes, produces the _Over() construct which
in turn generates "window functions", i.e.
"<window function> OVER (PARTITION BY <partition by>,
ORDER BY <order by>)".
[ticket:1844]

  a consistent tag
- AUTHORS file

Treats the given expression as the given type when evaluating
expressions and processing result rows, but does not
affect the generation of SQL, other than an anonymous label.