[IMP] Move 'odoorpc.service.db' module to 'odoorpc.db'
[IMP] Move 'odoorpc.service.report' module to 'odoorpc.report'
[IMP] Move 'odoorpc.service.model.model' module to 'odoorpc.models'
[IMP] Move 'odoorpc.service.model.fields' module to 'odoorpc.fields'
[IMP] Remove 'odoorpc.service' package
[IMP] Move 'odoorpc.tools.session' module to 'odoorpc.session'
[IMP] Transform 'odoorpc.tools' package to a simple module
[FIX] Change the sample code in the docstring of 'Model.__getattr__()' method to avoid doctest failures elsewhere
[FIX] .travis.yml - URL for the Debian package of Odoo has changed
[FIX] Doctest - 'odoorpc.rpc' package, the value returned by the 'web/session/authenticate' RPC method has changed
[FIX] Doctest - 'odoorpc.error' package, message returned by a RPC error has changed