preparing 2.2.3

ChangeLog

@@ -1,5 +1,6 @@
 2018-??-??: 2.2.3
 	enhaencement: supporting includes with new filter and filterFrom options
+	change: needing at least Lua 5.2 (was 5.1)
 	change: if the target/targetdir ands with a ':' do not append
 			a trailing '/' to it, since that would change it from homedir to rootdir!
 	add: example for Amazon S3 Bucket (Daniel Miranda)

INSTALL

@@ -18,7 +18,7 @@ Prerequisites
     and the Lua compiler 'luac' are needed.
     They aren't needed in the deployed binary though.
 
-	Use Lua 5.1 or Lua 5.2 at your choice.
+    Use Lua 5.2 or later.
 
   Liblua
 
@@ -27,7 +27,7 @@ Prerequisites
     Note that you likely need the package "liblua-dev"
     or something like that.
 
-	Use Lua 5.1 or Lua 5.2 at your choice.
+    Use Lua 5.2 or later.
 
     Note, this has to be exactly the same Version as the
     lua compiler used above!

cmake/FindLua.cmake

@@ -28,7 +28,7 @@
 #  License text for the above reference.)
 #
 # The required version of Lua can be specified using the
-# standard syntax, e.g. FIND_PACKAGE(Lua 5.1)
+# standard syntax, e.g. FIND_PACKAGE(Lua 5.2)
 # Otherwise the module will search for any available Lua implementation
 
 # Always search for non-versioned lua first (recommended)
@@ -41,7 +41,7 @@ SET(_POSSIBLE_LUA_LIBRARY lua)
 IF(Lua_FIND_VERSION_MAJOR AND Lua_FIND_VERSION_MINOR)
   SET(_POSSIBLE_SUFFIXES "${Lua_FIND_VERSION_MAJOR}${Lua_FIND_VERSION_MINOR}" "${Lua_FIND_VERSION_MAJOR}.${Lua_FIND_VERSION_MINOR}" "-${Lua_FIND_VERSION_MAJOR}.${Lua_FIND_VERSION_MINOR}")
 ELSE(Lua_FIND_VERSION_MAJOR AND Lua_FIND_VERSION_MINOR)
-  SET(_POSSIBLE_SUFFIXES "53" "5.3" "-5.3" "52" "5.2" "-5.2" "51" "5.1" "-5.1")
+  SET(_POSSIBLE_SUFFIXES "53" "5.3" "-5.3" "52" "5.2" "-5.2")
 ENDIF(Lua_FIND_VERSION_MAJOR AND Lua_FIND_VERSION_MINOR)
 
 # Set up possible search names and locations