Bump version to 0.0.8-SNAPSHOT.
Refactor code common to `Database` / `Transaction` out into `Queryable` trait.
Don’t close the connection in `Queryable` or `Transaction`, the `Database` instance manages that.
Add `transaction` method to `Queryable`. `Transaction.transaction` uses itself.
com.codahale -> com.simple
Replace logula with Dropwizard logging; update to current simplespec.
Bump version.
Support for implicit transactions on db calls
Explicit return types
Access to current transaction within transactionScope
Explicit transactions join tx scope
Allow transactionScope nesting
Track transactionScope nesting counts
Rev to 0.0.9.0
Resolve merge conflicts