Sceptre

Fixed

- Fix `stack_output` resolver recursion error.

Fixed

- Fix CLI list output export issue.

- Fix path separators between operating systems.

- Fix S3 uploads to support China regions.

Nonfunctional

- Upgrade to PyYaml 5.1.

- Update custom hook docs.

- Improve documentation site.

Added

- Support for SAM templates.

- Improve handling of missing config attributes.

Nonfunctional

- Update colorama dependency version.

- Fix circleci build

Fixed

- Fix ConfigReader to follow symbolic links.

- Fix output of `--output yaml` with Python objects.

- Fix CLI `update change-set` command.

Nonfunctional

- Improve Documentation.

- Fix Migration Guide documentation on `tags` vs `stack_tags`.

- Improve formatting of CLI `--help` command.

- Update `six` dependency version.

Fixed

- Fix `write` method in `sceptre.cli.helpers` to better handle `yaml` and `json`
output format.

- Fix `sceptre generate` in CLI so that it respects `--output` flag.

- Update `PyYaml` dependency version to fix `CVE-2017-18342`.

- Fix `--export` option for `sceptre list outputs` for setting environment
variables.

Nonfunctional

- Improve `sceptre.stack.Stack.__repr__()` so that objects and lists are not
contained in strings.

- Remove duplicate timestamp from logging in `plan.actions`.

- Fix minor documentation typo in `stack_group_config.md` stack example.

- Remove redundant `status` self-assignment in `sceptre.plan.actions.launch()`

Fixed

- Fix `list` and `describe` cli output

- Fix circleci and Makefile config

- Fix accessing `command_path` as list in templates

- Fix adding implicit dependencies for `stack_output` resolver

Nonfunctional

- Improve delete stack confirmation message

- Improve delete change set message

- Add newline in `cli.md` docs to format code block correctly

- Update docs for Custom Resolver `setup.py`

- Update Custom Resolver docs

- Clarify docs on stack_output resolver