Revert "Merge branch 'master' into hf_mf_sim"

This reverts commit cbea5d9d02, reversing
changes made to b66152feb2.

client/lualibs/7816_error.lua

@@ -75,4 +75,4 @@ _errorcodes.tostring = function(command)
     end
     return ("Error, numeric or string argument expected, got : %s"):format(tostring(command))
 end
-return _errorcodes
+return _errorcodes

client/lualibs/hf_reader.lua

@@ -32,4 +32,4 @@ end
 
 return {
     waitForTag = waitForTag,
-}
+}

client/lualibs/precalc.lua

@@ -91,4 +91,4 @@ local PreCalc =
         return list
     end,
 }
-return PreCalc
+return PreCalc

client/lualibs/read14b.lua

@@ -155,4 +155,4 @@ local library = {
     ISO14B_COMMAND = ISO14B_COMMAND,
 }
 
-return library
+return library

client/lualibs/taglib.lua

@@ -121,4 +121,4 @@ return {
 
         return m[value] or "no tag-info available"
     end,
-}
+}

client/lualibs/utils.lua

@@ -427,4 +427,4 @@ local Utils =
 -- end
 
 }
-return Utils
+return Utils