Fixed broken filter in getWritableClass[T]
Correct sense of 'filter out' in comment.
Merge pull request #548 from markhamstra/getWritableClass_filter

Fixed broken filter in getWritableClass[T]
Corrected order of CountMinSketchMonoid arguments
Fix argv handling in Python transitive closure example
Fix Python saveAsTextFile doctest to not expect order to be preserved
Merge pull request #551 from jey/python-bugfixes

Python bugfixes
Merge pull request #550 from erikvanoosten/master

corrected Algebird example
Merge master