This is trying to deal with the weird edge cases when you don't have sufficient reads on one or more junctions
[x] The pull request should include tests.
[x] If the pull request adds functionality, the docs should be updated. Put
your new functionality into a function with a docstring, and add the
feature to the list in README.md and README.rst.
[x] The pull request should work for Python 2.7, 3.4, and 3.5.
This is trying to deal with the weird edge cases when you don't have sufficient reads on one or more junctions
Fixes #58.