Released v1.22

Updated copyright year from 2019 to 2020.

Released v1.20

Updated copyright year from 2018 to 2019.

Released v1.18.1

Finalized the release date.

Released version v1.17

Updated release project to newer Dev-C++.

Disabled optional fixes.

Also fixed FIX_GUARD_FOLLOWING_THROUGH_CLOSED_GATES.

First commit, v1.14