Initial changelog draft

CHANGELOG.md

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+# Changelog
+
+## [2.0.0] - TBA
+
+Version 2 of the `dots` tool is a complete rewrite from the original single file
+Python script, into a Go binary. This rewrite pairs down the features,
+introduces verbose output, adds dry-runs, more robust error handling, and
+improved configuration.
+
+### Changed
+
+- Rewritten in Go.
+
+### Added
+
+- `dots` has learned how to output verbose details about what the tool is doing.
+
+- `dots` has learned how to perform a dry-run.
+
+- `dots` has learned how to reinstall dotifles.
+
+- `.install` files may now be named after directories, in which case they will
+  be run any time a file within that directory is installed.
+
+- Removed files will now also be correctly removed using a "lockfile" to keep
+  track of what files were last expected to be installed.
+
+- Configuration is now done in a `config.yml` file that lives in the root of
+  your dots source directory.
+
+- Environment variable expansion can now be performed as an installation time
+  modification.
+
+### Removed
+
+- Support for explicit "default and "named" append points has been removed. The
+  `!!@@` syntax has been removed. Dotfiles will now always be cascadded
+  together linearly.
+
+## [1.0.0] - 2014-01-03
+
+- Initial release as a single file Python script.