* Added test_nosubdirfp_option() to test_dupe_trees.py. Closes issue #68.
* Updated get_schema_* functions to take the root name and initial file and dir IDs as arguments. This closes issue #81 and then some.
* Removed original schema_2 (since it can be replicated by two calls to the new schema_1) and replaced with something similar to schema_1 but with different directory names.
* Added test_nosubdirname_option() to test_dupe_trees.py. This resolves issue #69.
* Added test_nosubdirfp_option() to test_dupe_trees.py. This resolves issue #68.