Edits made to online players will still work. Edits made to offline players will work if they log in before the ISpecialPlayerInventory is unloaded (currently before the plugin unloads).
Closes#6
Refactored IPlayerDataManager to PlayerDataManager, it's no longer an interface.
Fixed a bug with players' online state initially being inverted
This took way more time than it was worth.
Converted line endings to Unix, some other trivial crap.
Thanks to Phoenix616 for already having a multi-version pom, it would have taken me much longer to figure out without a functional example.
The only legacy code which is not supported is that of the pre-versioned package era. I compiled a copy of Craftbukkit about 15 commits prior to the introduction of versioned packages, and NMS had already been fiddled with. Anyone who needs support for builds in that range can use an older OpenInv build instead, it's not like UUIDs are a big concern.
Among other things, these interface changes allow for supporting pre-UUID Minecraft versions again. I may eventually backport older versions, but I don't know that I'll be able to lay hands on old enough jars.
Removed static access
Renamed all methods to follow conventions
Anyone who can use it has to be able to run the command anyway. If they can run the command, they can use tab completion to automatically fill in anyone online's name. There's no need to keep around a bunch of deprecated code for a function I sincerely doubt anyone actually uses.
Players who haven't joined your server since the UUID conversion will have a null name. As a result, if you try to /openinv a player who *has* joined your server since then, the loop can break due to a NPE while checking other players. This null check should fix that problem.
Since essentials conflict with this alias, i think it would be better this way. After all you can always use /oe which is a lot shorter than /enderchest :)