v0.1.6: Replace usages of `priorities`, `require`, and `import` (#582)
* Replace deprecated tokens * Set Version: 0.1.6 --------- Co-authored-by: devops <devops@runtimeverification.com>
* Replace deprecated tokens * Set Version: 0.1.6 --------- Co-authored-by: devops <devops@runtimeverification.com>