Original comment by Nicholas Santos (Bitbucket: nickrsan, GitHub: nickrsan).
Fixed #9 by updating list size.
Fixed issue where postprocess_zones layers don't get cached properly.
Minor changes to fsfish.mdb, compacted
Restructuring of docs and included a reference to the main html doc.
Original report by Nicholas Santos (Bitbucket: nickrsan, GitHub: nickrsan).
1) not tied to bind vars
Error is list index out of rang when testing if common_layers[index].ref_count == 0