* macro 'alias' was renamed to 'rename'
* fixed `cargo test` on main project
The latter pointed me to the serde issue, which would have made
everything fail when actually used to communicate with google servers.
* keywords are no longer than 20 characters, which is a restriction
cargo imposes
* don't use 'homepage' link in cargo.toml unless the homepage is
non-empty
* Added all publish-results to mark the respective crate version
Related to #46
