LifeStolen

This update just implements a few QOL stuff from 5.0 (to be exact, 5.0 Tested 1.0), here is what was added, or changed/fixed.

Added:

• Added bStats support for metric stuff.
• Added an optional number arg to the /withdraw command allowing more than one heart to be withdrawn at once.
• Added offline support for the Spectator mode using OfflineManager (@TheDiscordian in #7)

Changed/Fixed:

• Fixed heart/reviver limits.
• Fixed a no argument error with /withdraw (@TheDiscordian in #9)