Clean out semver_status.md

doc/semver_status.md

@@ -16,102 +16,5 @@ Don't document other changes in this file.
 
 We can delete older sections here after we bump the releases.
 
+## Since Arti 0.2.0
 
-## Since Arti 0.1.0
-
-arti-client, arti-config, tor-circmgr, tor-dirmgr:
-
-  Drop conversion from FooConfig to FooConfigBuilder for many Foo.
-  Further change in this area is expected.
-
-  Drop impl Deserialize for ArtiConfig.
-
-arti-client:
-
-  Replace ArtiClientBuilder's methods for individual elements of TorClientConfigBuilder
-  with an accessor `.tor()` to get `&mut TorClientConfigBuilder`.
-
-  Abolished `TorClientConfig::get_circmgr_config`.
-  Abolished `TorClientConfig::get_dirmgr_config`.
-
-arti:
-
-  Provide library crate with unstable API.
-
-tor-llcrypto:
-
-  new-api: Added RsaIdentity::from\_hex().
-  new-api: Ed25519Identity implements PartialOrd.
-
-arti-client:
-
-  api-break (experimental only): changed circmgr() and dirmgr() to return
-  &Arc, not Arc.
-
-  api-break: isolation completely revised
-
-tor-circmgr:
-
-  api-break: The fallbacks case of DirInfo now wants a slice of references to
-  fallbacks.
-
-  api-break: Some error types have changed to include peer info.
-
-tor-dirclient:
-  api-break: refactored Error type.
-
-tor-dirmgr:
-  new-api: DirMgrConfig object now has accessors.
-  DirMgrCfg: totally changed, builder abolished.
-  Authority, NetworkConfig: removed several accessors for these config elements.
-  api-break: DirEvent is now in tor-netdir instead
-
-tor-circmgr:
-  CircMgrCfg: totally changed, builder abolished.
-
-  api-break: isolation completely revised
-
-  api-break: config must now implement AsRef<FallbackList>
-
-tor-netdoc:
-
-  new-api (experimental only): Can modify the set of relays in an unverified
-  consensus.
-
-  api-break: changed the return type of GenericRouterStatus::version()
-
-tor-netdir:
-
-   api-break: moved FallbackDir to guardmgr.
-
-tor-guardmgr:
-
-   new-api: moved FallbackDir from netdir.
-
-   api-break: FallbackDir required in constructor.
-
-tor-proto:
-  new-api: ClientCirc path accessors.
-
-tor-protover:
-  new-api: Protocols now implements Eq, PartialEq, and Hash.
-
-tor-proto:
-  api-break: OutboundClientHandshake::connect() now takes now_fn.
-
-  new-api: New Error::HandshakeCertsExpired.
-
-tor-error:
-  new-api: New ErrorKind::ClockSkew.
-
-tor-cell:
-  new-api: Netinfo message now has a timestamp() accessor.
-
-tor-basic-utils:
-
-  Remove `humantime_serde_option` module.
-  (Use `humantime_serde::option` instead.)
-
-tor-rtcompt:
-
-  api-break: Runtime require an additional supertrait UdpProvider