Build system for loading all MCProtocolLib versions.
MCSLoader downloads all versions from MCProtocolLib repository and compiles them to .jar files, which are used by MCSCore as a MCProtocol implementation.
java -jar mcsloader-2.4.jar OUTPUT MCPROTOCOLLIB_REPOSITORY_URL
MCProtocolLib versions are loaded from Git repository MCPROTOCOLLIB_REPOSITORY_URL. Build output is saved into OUTPUT directory.