Merge pull request #2 from ashinohara/master

Adding :gen-class so uberjar can be run from command line.
cleaner test output, log URI
use edn/read-string for reading queries
Merge pull request #3 from shmumer/master

use edn/read-string for reading queries
Added tempid resolution option
removed dump ns and handler
is there anything you *can* do with a datomic.db.Datum? Anyway, attribute id->ident translation option in place.
Updating datomic version