collection: unused import removed
collection: unused "collection" variable in the end of file removed
collection: module implementation that behavies as collection added
utils: extrabuiltins and syspath refactorization
utils: import cleanup
utils: unused stuff removed
utils: new smart_ext and split_filenames functions added
api: loader refactorisation, sources concept introduced, ini support added
tests: refactored to take adventage of new collection.Module module implementation