Alpha 7 - The very small super tiny update that fixes (a) huge bad bug(s)

Description

This pre-release fixes a major bug with Placeholders implementation (you basically couldn't run BentoBox if you didn't have PlaceholderAPI in the plugins folder).
There is no need to update your addons alongside this release.

Changelog

How to read it

Each change/tweak/bug fix is listed in the corresponding category.
If a change is likely to do something that needs the user to keep a close eye on, then it is labelled with an icon.

Here is a list of the labels:

• ⚠️ - the change is breaking the API and/or deprecate some parts of it.

Contents

• API

1. ⚠️ Renamed AbstractFlagListener to FlagListener.
2. ⚠️ Moved all PlaceholderAPIHook's inner classes to their own classes in the \api\placeholders\placeholderapi folder.

• Bug fixes

1. Fixed BentoBox not launching when PlaceholderAPI wasn't installed on the server.
2. Fixed double chests pasting in certain orientations that could cause an ArrayOutOfBoundsException (#326).