Adds BMGetButtonDetails API to resolve #38
Adds comments for BMGetButtonDetails
Adds BMCreateButton API to resolve #38
Adds BMGetInventory API to resolve #38
Adds comments to BMGetInventory method
Adds BMManageButtonStatus API to resolve #38
Adds comments to BMManageButtonStatus method
Adds BMSetInventory API to resolve #38
Empties all vars
Adds BMUpdateButton API and resolves #38