Merge branch 'bond-efficiency' of https://github.com/ulyssecarion/biojava into ulyssecarion-bond-efficiency
#31 starting to work on parsing organism and expression system
#31 starting to work on parsing organism and expression system
#31 adding support for synthetic constructs via EntitySrcSyn
fixing missing bracket
#31 adding a junit test
Merge branch 'master' of github.com:biojava/biojava
adding some null value tests
Merge branch 'master' of github.com:biojava/biojava
Merge branch 'master' of github.com:biojava/biojava
#31 now tracking expression system for proteins that were not isolated directly from a natural tissue