Cazzar Core Lib 1.7.10 is a coremod containing helper functions for all of Cazzar’s mods which are as of writing Jukebox Reloaded and Jukebox fix.
There is no ingame features added by the mod itself it is just to aid the creation of other mods by having common code in one place.
How to install:
Download Links for Cazzar Core Lib 1.7.10
For Minecraft 1.6.4
For Minecraft 1.7.2
For Minecraft 1.7.10