Release Prolific Watcher version 0.2.0.
Release Prolific Watcher version 0.2.0.

 * Upgrade `destructible` to `^6.0.0`. Closes #1287.
 * Upgrade `prospective` to `^0.2.0`. Closes #1286.
 * Upgrade `avenue` to `^0.3.0`. Closes #1285.
 * Upgrade `rimraf` to `3.0.2`. Closes #1284.
 * Upgrade `proof` to `^9.0.1`. Closes #1283.
 * Update `LICENSE` for 2020. Closes #1282.

Closes #1288.

bigeasy/prolific,bigeasy/prolific