Pyprocessing 0.1.3.11

[Pedro]

The version 0.1.3.11 of pyprocessing is now avaliable for download.

Changelog:

*filter() and blend() have been added with all their possible modes
(pimage.py)
*mask() has been added (pimage.py)
*numpy is required for the filter() and blend() methods due to better
performance
*link() has been added (__init__.py)
*loadPixels(), updatePixels() have been implemented (pimage.py)
*both loadPixels() and updatePixels() will peform better if numpy is
present
*screenFilter() has been added (equivalent to Processing's filter()
method) (pimage.py)
*texture() and textureMode() have been added (attribs.py)
*the window now has an alpha buffer
*changed the way pyprocessing initalizes the window
*some examples which use the above functions have been added