1.15: support for custom sounds, added argument to /coins drop

• Changed sound parsing from the config; now using namespaced keys.
• Added support for custom sounds from resource packs.
• Added a new argument [worth] to /coins drop.
  • /coins drop <player|x,y,z[,world]> [radius] [worth]
  • The value for each coin to drop can be specified with [worth].
• Updated bStats and added new stats.
• Improved coin pickup handling.
• Updated MythicMobs dependency; support for 5.7 and newer.
• Fixed Looting enchant not working for 'enchant-increment'.
• Patched all memory leaks (these were very small).

New Contributors

• @AllFiRE0 made their first contribution in #66

Full Changelog: 1.14.1...1.15