citations network test cases expanded; additional work on PubMed script
updates to pubmed script; it is still incomplete
moved pubmed script into an actual parse_pubmed_xml function in the readers module and added an incomplete corresponding test
Updated the verison number associated with the last commit changes. That commit also reorganized the functions that query web services into a single module.\
temporary fix for .sif interaction format; still doesnt support multiple interaction types
temporary fix to .sif interaction format; still doesnt support multiple interaction types
completed test cases for the first 5 networks and added a to do to move some of the tests to a writers test file rather than the networks test file
resolved conflict