Tiny cosmetic fix: Print 'yes' instead of 'null' for the checkItems debug command, if the compared items are similar.
Fixed: Banner meta comparison now compares base colors as well.
Fixed: Banner meta comparison should now actually work. Before it reported that the patterns of two banners are similar, when they weren't, and that they are different, when they were actually similar.
If the trade for a written book fails players can sometimes still open and read the book if they close the shop and click the temporary fake book in their inventory fast enough. There is not much I can do about this..
Server crashes and improper shutdowns might cause living non-citizens shopkeeper entities to duplicate sometimes.
The 'always-show-nameplates' setting is no longer working on MC 1.8.
Compatibility with older bukkit versions is untested. If you encounter any problems let me know and I will look into it.
A bunch of entity types are only meant for experimental usage. They might cause all kinds of issues if used. See changelog of v1.50.