Feature
* feat: Hoist coreferenced instances to their lowest common ancestor in the tree (2)
* project coreferences to their lowest common ancestor node level
* adding an option to maximally hoist coreferences, to match behavior of paper
* improving scope handling during hoisting
* updating README ([`6476525`](https://github.com/chanind/amr-logic-converter/commit/64765255b042e27ad9d89c9aaea046e502e58fbf))