Feature
* Speed up marshall align ([137](https://github.com/Bluetooth-Devices/dbus-fast/issues/137)) ([`d7d301c`](https://github.com/Bluetooth-Devices/dbus-fast/commit/d7d301c773beb312be752accf7018a3dacecde02))
* Speed up marshall write_string and write_variant ([138](https://github.com/Bluetooth-Devices/dbus-fast/issues/138)) ([`71cf524`](https://github.com/Bluetooth-Devices/dbus-fast/commit/71cf52430bd3ece01083309c5f0f5d934dca3d59))