This release should fix the issue #3 in which the console unnecessarily is spammed "Warning: can only set custom mob names in Bukkit 1.5 and above." Fixed via simple change in the substring section of the version: f090bd2

This occurred because the plugin only took the substring until the 3rd character (in 1.12.2 that resulted in "1.1" The plugin then removed all [.] and the number became parsed as an integer (just 11). This is less than 15, resulting in it "not being compatible." By increasing the amount of the substring we are able to parse all the numbers in the string 1.12.2 resulting in the integer parsing as 1122 which is greater than 15)