0.6.7

• once argument was added to Eventer.createEventType
• removeAll argument was added to Eventer.releaseEvent
• removes the condition where if no more childEvents the parentEvent would be deleted
• adds destroyEventType to Eventer
• adds unloadModule to ModuleMan
• adds ability to reload the whole folder from ;rehash command
• changes the ;rehash command to .rehash
• adds .unload command