indexing: progress on dealing with terms with multiple k cells
indexing: all the IMP++ examples work with indexing now
indexing: reverting changes to the config.xml for IMP in the java backend
indexing: cleaning up a bit
indexing: making sure that indexing works for IMP and IMP++
indexing: refactoring the code to make it cleaner
indexing: changing Hashsets to Arraylists to reduce non-determinism