add express.js dependency
add expect.js dependency
holocene constructor
more README wishes
add Holocene.createDb
add options to Holocene and improve doc comments
create non-random DB names
fs.extra dependency
refactor datadir verification into its own function
Holocene.dropDb with test cases now cleaned up
deprecate datadir verification
Database class stub
pass Database object instead of DB name when creating DB
Holocene.openDb
Database .open and .close
update Holocene to use Database.open
fix some cleanup problems when dropping DB
Database.drop
Resource class