Removed tonml.py
Adding a simple example...
Added conf to Conncection object
Merge branch 'test_network' of github.com:openworm/PyOpenWorm into alpha0.5
Adding crossref uri for doi data extraction
Added metadata extraction for some evidence sources
Merge branch 'alpha0.5' into localdb
Removed the Evidence bibtex test. Belongs to a future release

- Made a separate file for integration testing
Added a serialization (trix) source
Wrote methods for loading, querying, saving a Connection

- Should act as a template for further dataObjects
- tests added too
Fixing up some tests