Will not be making $xml_handlers protected

Removed comment
Better line separation, removed comment
Added an enter
Added $active_igloo, buyLocation

Coins are now deducted only if $cost is not zero.
Added igloo handlers

handleGetFurnitureInventory, handleGetActiveIgloo, handleGetGameData,
handleGetPufflesByPlayerId, handleJoinPlayerRoo, handleBuyIglooLocation,
handleGetAllIglooLayouts, and handleUpdateIglooConfiguration. Some of
these handlers are still being worked on. Added $downloadAndDecode
anonymous function for downloading decoding JSON in __construct, also
added $locations for location purchasing.
Igloo database methods

Methods include updateIglooColumns, getAllIglooLayouts, and
getIglooDetails.
Updates for igloo stuff