Integrate uniconvertor to support more vector formats for Phatch

Test data is available here http://uniconvertor.svn.sourceforge.net/viewvc/uniconvertor/formats/ Other testdata: Igor Novikov: AI files or one large file with all features you can save from sK1 :)

Support multiprocessing for Phatch

Would like to propose support for Python's multiprocessing module. On my machine (Lenovo T61 Notebook) a batch process is mostly cpu bound. As i would imaging batch operations are collections of N-times a sequence of operations. Where N is the number of images. Therefor (optionally) using multiprocessing on platf...