TODO
- fix kencommandapi greedy strings & arguments: probably issue with shading
- make core-lib-impl: a library -> avoid shading massive core-lib
- logging in general, log some exceptions to game chat
- notification: Friend is now offline/online
- /ignore command

environment
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- **core-lib**: stateless library
- **core-bukkit-api** stateful api, for minecraft development, depends on core-lib
- **core-bukkit-api** stateful plugin, same as core-bukkit-api but implements it
- **core-velocity-api** stateful api, for proxy development, depends on core-lib
- **core-velocity-impl** stateful plugin, same as core-velocity-api but implements it