Nxt ver 0 3 2
- Improved documentation in code related to uncertainty estimation from a single model.
- modified the documentation file (uploaded new word and PDF versions)
- Added information to the documentation file related to the structure factor and the use of the "beta" approximation for the structure factor.
- Added information about the ability to add and multiply existing sasmodels models.
- Added an example of the addition of two sasmodels models with an associated configuration file.