Updated the plos_search function to be a bit more concise/clear, and to perform more complicated searches
Updated the readme file
first cytoscape.js commit
added labels, updated example in docstring
example in its own script
Merge pull request #2 from choldgraf/update_plos_search

Update plos search
Merge pull request #4 from mchelen/cytoscape.js

Cytoscape.js demo
Merge pull request #5 from adasilva/citationtrees

Yup, that's exactly why there aren't many second-level citations. As we add more into the database, this will change...