Prost 0.10

Update to Prost 0.10

v0.3.0

Added try_pack and try_unpack methods and deprecated pack and unpack.

Dependency. cleanup.

v0.2.1

Cleanup of imports, rust fmt updates, and other cosmetic changes.

Use FileDescriptorSet from Prost-types

This is a complete rework of Prost-wkt in how it generates the impl of the MessageSerde trait. It is now generated by prost-wkt-build and inserted directly into the generated rust file generated by prost-build. The type_url is now retrieved from a FileDescriptorSet at build time, which alleviates the need for a MessageDescriptor trait in prost itself. See the README.md and the example on how to use prost-wkt now.

Initial version.

v0.1.0

Fixed typo in README and updated itertools.