give chooser a proper __gc
give chooser a proper __gc

chooser now removes references and clears metatable on __gc
knu/hammerspoon,CommandPost/CommandPost-App,Hammerspoon/hammerspoon,CommandPost/CommandPost-App,CommandPost/CommandPost-App,chrisjbray/hammerspoon,knu/hammerspoon,zzamboni/hammerspoon,bradparks/hammerspoon,asmagill/hammerspoon,latenitefilms/hammerspoon,Habbie/hammerspoon,cmsj/hammerspoon,Hammerspoon/hammerspoon,asmagill/hammerspoon,chrisjbray/hammerspoon,cmsj/hammerspoon,bradparks/hammerspoon,asmagill/hammerspoon,cmsj/hammerspoon,zzamboni/hammerspoon,Habbie/hammerspoon,chrisjbray/hammerspoon,knu/hammerspoon,Habbie/hammerspoon,bradparks/hammerspoon,asmagill/hammerspoon,latenitefilms/hammerspoon,zzamboni/hammerspoon,CommandPost/CommandPost-App,zzamboni/hammerspoon,chrisjbray/hammerspoon,Habbie/hammerspoon,Habbie/hammerspoon,Hammerspoon/hammerspoon,asmagill/hammerspoon,cmsj/hammerspoon,CommandPost/CommandPost-App,latenitefilms/hammerspoon,latenitefilms/hammerspoon,knu/hammerspoon,asmagill/hammerspoon,Hammerspoon/hammerspoon,zzamboni/hammerspoon,knu/hammerspoon,latenitefilms/hammerspoon,bradparks/hammerspoon,Habbie/hammerspoon,chrisjbray/hammerspoon,cmsj/hammerspoon,Hammerspoon/hammerspoon,bradparks/hammerspoon,chrisjbray/hammerspoon,Hammerspoon/hammerspoon,cmsj/hammerspoon,knu/hammerspoon,latenitefilms/hammerspoon,zzamboni/hammerspoon,CommandPost/CommandPost-App