clean up some tests
multimodule working
clean up and bump versions to 0.4.0
Merge pull request #17 from nathanmarz/feature/multimodule

multimodule working
pull out elephantdb-bdb and elephantdb-leveldb modules
Merge branch 'feature/multimodule' into develop
remove incremental updating in outputformat
Merge branch 'develop' into feature/set_interface
generated thrift classes
add persistence modules to dev profile
set interface working