Use Poetry for dependency management

We decided to use https://python-poetry.org/ for management of dependencies and version in pyproject.toml.

changed milestone to %1.0-alpha2 — Precise Pheasant

added P2 + 1 deleted label

assigned to @david

marked this issue as related to engine-api#30 (closed)

marked this issue as related to #110 (closed)

added To Do label

changed milestone to %1.0-alpha1 — Dockland Duckling

added Doing label and removed To Do label

mentioned in commit b81d3128

mentioned in commit 10192181

mentioned in commit 58da2750

mentioned in commit 6a9dfafb

mentioned in commit 07443f09

mentioned in commit 8da57f9a

closed

removed Doing label