- Edited parser module to return the fields returned by a division operation
- Edited relation class API, renaming the rearrange method to _rearrange_
- Readline interface specifies that completion works only if supported by the terminal
- Added todo file
git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@240 014f5005-505e-4b48-8d0a-63407b615a7c