Minor Update

Features

• EventBuilder<T extends Event>#executeIfElse(Predicate<T>,Consumer<T>,Consumer<T>)
  First consumer will be accepted if the predicate tests true, else the second consumer will be accepted.
• EventBuilder<T extends Event>#filter(Predicate<T>,Consumer<T>)
  If predicate tests false, code execution will be stopped but the consumer will be accepted.

Fixes

• Updating registered status when invoking EventHandler<T extends Event>#register(Plugin).
• Consumer in EventBuilder<T extends Event>#filter(Predicate<T>,Consumer<T>) was accepting when the predicate was testing true.