Tweaks to the layout module:
Tweaks to the layout module:

* Default to the main screen if the passed-in screen isn't found; useful for layouts activated using the screen watcher, meaning that screens in layouts may not be in the current screen configuration.
* Correct the print statement for "Unable to find display: "; the concat will only work with strings and numbers, and if a table or function is passed in there, the print craps out and throws a misleading error message.

junkblocker/hammerspoon,knu/hammerspoon,asmagill/hammerspoon,dopcn/hammerspoon,wvierber/hammerspoon,wvierber/hammerspoon,heptal/hammerspoon,dopcn/hammerspoon,CommandPost/CommandPost-App,cmsj/hammerspoon,latenitefilms/hammerspoon,Hammerspoon/hammerspoon,bradparks/hammerspoon,junkblocker/hammerspoon,asmagill/hammerspoon,asmagill/hammerspoon,heptal/hammerspoon,latenitefilms/hammerspoon,Hammerspoon/hammerspoon,heptal/hammerspoon,kkamdooong/hammerspoon,kkamdooong/hammerspoon,cmsj/hammerspoon,Habbie/hammerspoon,knu/hammerspoon,asmagill/hammerspoon,asmagill/hammerspoon,lowne/hammerspoon,CommandPost/CommandPost-App,chrisjbray/hammerspoon,lowne/hammerspoon,heptal/hammerspoon,kkamdooong/hammerspoon,dopcn/hammerspoon,junkblocker/hammerspoon,Hammerspoon/hammerspoon,cmsj/hammerspoon,zzamboni/hammerspoon,knu/hammerspoon,asmagill/hammerspoon,Habbie/hammerspoon,Hammerspoon/hammerspoon,bradparks/hammerspoon,zzamboni/hammerspoon,wvierber/hammerspoon,Habbie/hammerspoon,joehanchoi/hammerspoon,joehanchoi/hammerspoon,latenitefilms/hammerspoon,lowne/hammerspoon,kkamdooong/hammerspoon,junkblocker/hammerspoon,Hammerspoon/hammerspoon,zzamboni/hammerspoon,latenitefilms/hammerspoon,CommandPost/CommandPost-App,junkblocker/hammerspoon,chrisjbray/hammerspoon,knu/hammerspoon,CommandPost/CommandPost-App,wvierber/hammerspoon,dopcn/hammerspoon,bradparks/hammerspoon,dopcn/hammerspoon,joehanchoi/hammerspoon,Hammerspoon/hammerspoon,chrisjbray/hammerspoon,chrisjbray/hammerspoon,zzamboni/hammerspoon,zzamboni/hammerspoon,joehanchoi/hammerspoon,chrisjbray/hammerspoon,bradparks/hammerspoon,cmsj/hammerspoon,wvierber/hammerspoon,chrisjbray/hammerspoon,joehanchoi/hammerspoon,latenitefilms/hammerspoon,CommandPost/CommandPost-App,Habbie/hammerspoon,heptal/hammerspoon,Habbie/hammerspoon,kkamdooong/hammerspoon,cmsj/hammerspoon,CommandPost/CommandPost-App,knu/hammerspoon,knu/hammerspoon,Habbie/hammerspoon,lowne/hammerspoon,zzamboni/hammerspoon,cmsj/hammerspoon,latenitefilms/hammerspoon,bradparks/hammerspoon,lowne/hammerspoon