Add ofNullable, returns null when no valid holder is found. Saves the…

… need of a valid and of lookup.

Improve the performance of looking up the holder for the object. Added a JMH benchmark for this.

Update gradle and mc/fabric

Merge pull request TechReborn#4 from GabrielOlvH/master

Replace streams

Include the ItemStack support by default, now depends on minecraft.

More docs + minor tweaks

Cleanup the API, remove some methods that are not really needed

Some docs and fixes

add getMaxStored

Face -> Side

its easier to code for, and will be quicker performance wise

Add a method to set the energy, might be quite important

Some tweaks to the API to better support things like ItemStacks