Fixed ProtocolLib dependency

Merge pull request #30 from ThomasWega/master

Fixed ProtocolLib dependency

2.1.0 Release

• added ClickableTextLine
• improved README.md

2.0.0 Release

• Code rewriting using the 'composition over inheritance' principle.
• now you can configure any part of the library (Lines, Holograms, Pools, Animations, Loaders etc.) and create your own custom part.
• added 1.19.4 support.

1.4.1 Release

• 1.8 errors fixed
• added 1.19.3 support

1.4.0 Release

• TextLines without content are now automatically hidden
• ArmorStand are made small, this should block fewer hitboxes
• Now following Google's coding standards

1.3.0 Release

• Fixed issues with VersionUtil on 1.18.2

1.2.9 Release

• Code refactoring of packets (performance improvements)
• Added support for 1.19.

1.2.8 Release

• CircleAnimation fixed for 1.8.8.

1.2.7 Release

Update 1.2.7

• added the possibility to listen to clicks on a hologram. (Synchronous?)
• made classes more immutable.

1.2.6 Release

Added AbstractLine#update method for any placeholders as per request #4