Support alias functions, and improve checking/erroring
Support alias functions, and improve checking/erroring

Habbie/hammerspoon,Hammerspoon/hammerspoon,Hammerspoon/hammerspoon,latenitefilms/hammerspoon,asmagill/hammerspoon,Hammerspoon/hammerspoon,asmagill/hammerspoon,latenitefilms/hammerspoon,latenitefilms/hammerspoon,CommandPost/CommandPost-App,Habbie/hammerspoon,Habbie/hammerspoon,Hammerspoon/hammerspoon,Hammerspoon/hammerspoon,latenitefilms/hammerspoon,Habbie/hammerspoon,asmagill/hammerspoon,CommandPost/CommandPost-App,Habbie/hammerspoon,CommandPost/CommandPost-App,Hammerspoon/hammerspoon,CommandPost/CommandPost-App,asmagill/hammerspoon,Habbie/hammerspoon,latenitefilms/hammerspoon,CommandPost/CommandPost-App,latenitefilms/hammerspoon,CommandPost/CommandPost-App,asmagill/hammerspoon,asmagill/hammerspoon