Dbus-fast

Fix
* Fix remaining altdesktop links ([169](https://github.com/Bluetooth-Devices/dbus-fast/issues/169)) ([`67255f7`](https://github.com/Bluetooth-Devices/dbus-fast/commit/67255f7e01f7970e4acdd57c9a399f9452fc1d0c))

Feature
* Add unmarshaller cython typing for SignatureType and SignatureTree ([168](https://github.com/Bluetooth-Devices/dbus-fast/issues/168)) ([`98d5c5a`](https://github.com/Bluetooth-Devices/dbus-fast/commit/98d5c5aec2c800351666921c14aaa64741ca2831))

Fix
* Small fixes for typing with older python versions ([167](https://github.com/Bluetooth-Devices/dbus-fast/issues/167)) ([`1e32f28`](https://github.com/Bluetooth-Devices/dbus-fast/commit/1e32f284cd7a15da81d278ffa9f5abe34563aafc))

Fix
* Building via PEP 517 ([166](https://github.com/Bluetooth-Devices/dbus-fast/issues/166)) ([`6694fda`](https://github.com/Bluetooth-Devices/dbus-fast/commit/6694fda49f966814ebc900a52812b4c5e4ff1980))

Feature
* Improve cdef types for marshaller ([164](https://github.com/Bluetooth-Devices/dbus-fast/issues/164)) ([`9fb4440`](https://github.com/Bluetooth-Devices/dbus-fast/commit/9fb4440b805fa5bf432fa1b23d9b1fac1de31b96))

Fix
* Allow non-string objects to be marshalled by write_string ([163](https://github.com/Bluetooth-Devices/dbus-fast/issues/163)) ([`46f1d6b`](https://github.com/Bluetooth-Devices/dbus-fast/commit/46f1d6bbc09860185db04c7985b9fd7c23e7a1bf))