[AbstractCompose.java](https://github.com/metafacture/metafacture-core/blob/master/metamorph/src/main/java/org/metafacture/metamorph/functions/AbstractCompose.java) and [AbstractLookup.java](https://github.com/metafacture/metafacture-core/blob/master/metamorph/src/main/java/org/metafacture/metamorph/functions/AbstractLookup.java) sit in the functions folder while the other "abstract"-helpers reside in https://github.com/metafacture/metafacture-core/blob/6f3a197ae99a77f00f17d69edb825365ba5a9fce/metamorph-api/src/main/java/org/metafacture/metamorph/api/helpers/ Is that intentional, should we move them?