Added a Float SIO type.
GH #166 - Made connections to Postgres use application_name in connect_args.
Don't use Suds as a default serialization type.
Merge branch 'dsuch-f-gh166-postgres-application-name'
GH #167 - Starting servers should not leave AccessShareLock behind.
Merge branch 'dsuch-f-gh167-postgres-locks'
Merge branch 'master' into u/ixa1