chore(CHANGELOG.md): add all changes since 0.0.16

CHANGELOG.md

@@ -4,6 +4,17 @@
 
 - replace `structopt` with `clap`
 - add subcommand to generate shell completions
+- add `dsync::Error`(and `dsync::error`)
+- replace `panic!`, most `.expect`s and some `.unwrap` with `Result`s
+- add dependency `thiserror`
+- remove dependency `anyhow`
+- fix nullable unsigned integers not resulting in `Option<u*>`
+- derive `Default` for all `Update*` structs
+- use `@generated` file signature to exclude the files from formatting
+- add `no-crud` option to not generate any `impl` blocks
+- rename `type Connection =` to `type ConnectionType =` to lessen naming conflicts
+- add many doc-comments to fields and functions
+- replace `structopt` with `clap`
 
 ## 0.0.16