Crate-smartnow

================

- http keepalive support

- uppercase command support for crash

- fixed python3.3 compatibility issue in crash

================

- the `crash` crate cli supports multiple line commands and auto-completion now,
commands are delimited by a semi-colon.

- the `crash` crate cli displays the status and, if related, the row count on every command now.

================

- SQLAlchemy `DateTime` and `Date` can now be nullable

================

- fixed an error with the `Craty` type and SQLAlchemy's ORM where the `update`
statement wasn't correctly generated.

================

- rowcount in results of update-requests gives affected rows

- the `Date` and `DateTime` sqlalchemy types are now supported.

- make http-client thread-safe

================

- add support for sqlalchemy including complex types

- error handling improvements in crash