renamed "unescape" functions to "escape"

These functions replace raw characters with escape sequences rather than the reverse.

inspect.lua

@@ -42,10 +42,10 @@ local controlCharsTranslation = {
   ["\r"] = "\\r",  ["\t"] = "\\t", ["\v"] = "\\v",  ["\\"] = "\\\\"
 }
 
-local function unescapeChar(c) return controlCharsTranslation[c] end
+local function escapeChar(c) return controlCharsTranslation[c] end
 
-local function unescape(str)
-  local result, _ = string.gsub(str, "(%c)", unescapeChar)
+local function escape(str)
+  local result = string.gsub(str, "(%c)", escapeChar)
   return result
 end
 
@@ -222,7 +222,7 @@ function inspect.inspect(rootObject, options)
       puts('{')
       down(function()
         if to_string_result then
-          puts(' -- ', unescape(to_string_result))
+          puts(' -- ', escape(to_string_result))
           if length >= 1 then tabify() end -- tabify the array values
         end
 
@@ -268,7 +268,7 @@ function inspect.inspect(rootObject, options)
       local tv = type(v)
 
       if tv == 'string' then
-        puts(smartQuote(unescape(v)))
+        puts(smartQuote(escape(v)))
       elseif tv == 'number' or tv == 'boolean' or tv == 'nil' then
         puts(tostring(v))
       elseif tv == 'table' then