From a7172f40909cf54b5fbc41568208c0d8c79ea011 Mon Sep 17 00:00:00 2001
From: Kai Curry Table Functions
_.is_empty(object)
Returns true if object contains no values.
-_.is_empty({})
=> true
-.is_empty({ name = "moe" })
=> false
+ _.is_empty({})
=> true
_.is_empty({ name = "moe" })
=> false