* Allow psycopg2 up to 2.8.2
This fixes the issue with pgcli not working on Arch Linux, since the package `python2-psycopg2` is already on 2.8.2.
* Added name to 'AUTHORS' and contribution to 'changelog.rst' referring to #2de6266
* Allow for newer versions of psycopg2 to be used
* added black to develop guide
* no need for pep8radius.
* changelog.
* Add pre-commit checkbox.
* Add pre-commit to dev reqs.
* Add pyproject.toml for black.
* Pre-commit config.
* Add black to travis and dev reqs.
* Install and run black in travis.
* Remove black from dev reqs.
* Lower black target version.
* Re-format with black.
* Cherry-picked prompt-toolkit 2.0 changes.
* Increase help timeout.
* Missed one.
* Fixes editor command.
* Expect exact to fix named query error.
* Unicode is non-optional with ptk 2.0.
* Unicode literals all the things (almost).
* PEP8.
* Change how we swap completers.
* By default, bottom toolbar styles are reversed. We don't want that.
* Adapt styles to 2.0.
* The future is now. Switch to ptk 2.0 style names.
* PEP8.
* Flag for enable_open_in_editor.
* add class:prompt to prompt
* Removed workaround for #668. Some renaming.
* use pgcli.completer instead of app.current_buffer.completer
* enable_system_prompt=True like old prompt toolkit
* keep search_ignore_case enabled (was ignore_case)
* fix closing parenthese
* keep marking class:continuation token for continuation
* capture KeyboardInterrupt manually
AbortAction has been removed in Prompt_toolkit 2.0
* replace C-J with enter, add more comments
* reversed ([...]) to [(...)] (oops)
* pep8 fixes
* Does Vi mode have to be applied to session every time?
* (workaround) also enable vi_mode after edit command
* Fixed test errors after rebasing on master.