diff --git a/Changelog.txt b/Changelog.txt
index b9209f6..1827488 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,6 +1,21 @@
 Changelog
 LuaPreprocess
 
+v1.20 (2022-07-01)
+Library:
+- getOutputSoFar() can now take an output buffer argument.
+- Detecting duplicate names in dual code: !!x, x = ...
+- Fixed evaluate() sometimes raising an error instead of returning it.
+- Fixed issue with files not ending with a newline.
+- Fixed silly internal error when Lua 5.2+ was used.
+Command line program:
+- Added options: --version, --help.
+- Added "alldone" message.
+- --meta can now take a file path.
+- Fixed silly internal error when Lua 5.2+ was used.
+Repository:
+- Fixed test suite not working in Lua 5.2+. Oops!
+
 v1.19 (2022-06-20)
 Library:
 - All uses of '!' now work in macros.
@@ -166,7 +181,7 @@ v1.3 (2019-01-05)
 - Added concatTokens().
 
 v1.2 (2019-01-03)
-- Added pp.processString().
+- Added processString().
 
 v1.1.1 (2019-01-02)
 - (No info)
@@ -175,4 +190,4 @@ v1.1 (2018-12-22)
 - (No info)
 
 v1.0 (2018-11-02)
-- Initial release.
+- Initial release!
diff --git a/preprocess-cl.lua b/preprocess-cl.lua
index bb5821f..7ef706c 100644
--- a/preprocess-cl.lua
+++ b/preprocess-cl.lua
@@ -1,7 +1,7 @@
 #!/bin/sh
 _=[[
 exec lua "$0" "$@"
-]]
+]]and nil
 --==============================================================
 --=
 --=  LuaPreprocess command line program
diff --git a/preprocess.lua b/preprocess.lua
index adc230c..f5b3df0 100644
--- a/preprocess.lua
+++ b/preprocess.lua
@@ -1,6 +1,6 @@
 --[[============================================================
 --=
---=  LuaPreprocess v1.19-dev - preprocessing library
+--=  LuaPreprocess v1.20 - preprocessing library
 --=  by Marcus 'ReFreezed' Thunström
 --=
 --=  License: MIT (see the bottom of this file)
@@ -131,7 +131,7 @@
 
 
 
-local PP_VERSION = "1.19.0-dev"
+local PP_VERSION = "1.20.0"
 
 local MAX_DUPLICATE_FILE_INSERTS = 1000 -- @Incomplete: Make this a parameter for processFile()/processString().