Pyqt-fit

- Curve fitting changed to match non-parametric interface
- Unified bootstrap

- Adapted the CurveFitting to fit the new bootstrap

- Changed interface to add user functions, using objects now
- Added start of documentation
- Changed function and residual module loader to avoir name conflicts
- Corrected the loading of user-defined functions

- Improved description
- Changed dependancy from setuptools to distribute because of a problem with setuptools 0.6

- Made non-parametric bootstrap method parrallel
- LocalLinear1D is done in Cython now
- Use LocalLinear1D for residual analyses rather than SpatialAverage
- Changed bootstrap method to be more general.
- Changed the functions and residuals modules to read from the PYQTFIT_PATH environment variable the list of extra folders to analyse
- Added Local Linar Kernel Regression method
v1.0.19, 10/12/2012 - Corrected dependency specifications.