Repurpose this repository as a Java JAR project, consisting of general purpose utilities used in building the Swoop 2.0 server.
work toward a swoop20-like test case
implement _extends
test and debug _extends
Drop unnecessary dependencies.
Create "doc" package for classes related to in-memory document model.
Move old implementations of doc classes out of util and json packages into doc package.
Drop unnecessary and/or experimental methods from these classes.
Refactor Whence interface to use new document abstractions.
Break up the DocumentLoader hierarchy into DocumentResolver and DocumentProducer hierarchies
Rename Whence (it was a silly name) to DocumentBasedConfigurator