web2py 1.74.3 released

[Massimo Di Pierro]

Free and open source full-stack enterprise framework for agile  
development of fast, scalable, secure and portable database-driven web- 
based applications. Written and programmable in Python.

Click http://web2py.com/demo_admin for an interactive online demo of  
the web based IDE.

New features:

- better support for legacy databases.
- easier upgrades
- plugins and components system
- support for GAE *IN* operator
- all fields now have default validators
- support for virtual computed fields
- distributed transactions support extended to mysql, firebird and  
postgresql
- always backward compatible