Patch to calculate the directed clustering coefficient
Added copy to fix issues with over-writing diagonal elements & numpy
Removed useless lines in test
Small world coefficient calculations
Fixed documentation.
Fixed imports to avoid broken tests.
Small world coefficient calculations
Fixed API to take a null_graph_generator function and did misc comment cleaning up.
Merged
Added check for SciPy.
Small world coefficient calculations
Fixed API to take a null_graph_generator function and did misc comment cleaning up.
Merge
Correctly importing SkipTest from nose