Fire appropriate level change events for Hardcore mode.
Add new McMMOPlayerXpLossEvent
Refactor experience events into separate packages.

Level events are now in one package, and XP events are now in a second
package.
Make ability events separate from skill events
Add boolean for particle effects to ability events.
Add event for Dodge
Add roll event, remove particle flag from the dodge event.
We should ALWAYS inform other plugins of what we're doing.
Archery events & bugfixes

- Added custom events for Skill Shot and Daze.
- Archery metadata is now stored directly as a location, rather than a
string.
- Fixed bug where arrows weren't properly tracked.
- Use HashMap instead of ArrayList for entity tracking.
Move standard activation checks into activation function, Archery refactoring, Unarmed cleanup, start work on Axe events.
Axe events.
More event work.
More event work.
Move changelog entries to 1.4.08
Fix things after rebase