Sabella is split into 3 mods.

Sabella - The primary sphere
SabellaOptions - Options dialog
SabellaPoisons - The secondary poison sphere
SphereLoader - Load sphere addons based on class

To Install : Extract all the contents of the .zip/.rar file to 'Your WoW DirectoryInterfaceAddons'. Run WoW and enjoy.

Use of Sabella 3.00
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Primary Sphere
=> Configurable Left/Right click abilities
=> View tooltips about what's in your bag
=> See current lockpicking skill

Poisons Sphere
=> View tooltips about what poisons are in your bag
=> See current poison skill

Sphere Circle
=> Energy
=> Health
=> Experience

Sphere Text
=> Combo Points
=> Health
=> Energy

Buttons
=> Potions/Healthstones (Right/Left click to use)
=> Food (basic)/Food (cooking/buffs) (Right/Left click to use)
=> Thistle Tea (Right click to use)
=> Bandages/BG Bandages (Right/Left click to use)
=> Hearthstone/Mount/Flying Mount (Right/Left click to use)
=> Stealth Menu (Left click to open)
=> Configurable action button 1 (Right/Left click to use)
=> Configurable action button 2 (Right/Left click to use)
=> Configurable action button 3 (Right/Left click to use)
=> Instant Poison (Right/Left click to use; only on Poisons sphere)
=> Crippling Poison (Right/Left click to use)
=> Deadly Poison (Right/Left click to use; only on Poisons sphere)
=> Mind-numbing Poison (Right/Left click to use; only on Poisons sphere)
=> Wound Poison (Right/Left click to use; only on Poisons sphere)