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index 928e87a..dc83284 100644
--- a/doc/.buildinfo
+++ b/doc/.buildinfo
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Binary files a/doc/.doctrees/arguments.doctree and b/doc/.doctrees/arguments.doctree differ
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index bf9f03e..0535958 100644
Binary files a/doc/.doctrees/callbacks.doctree and b/doc/.doctrees/callbacks.doctree differ
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index 293f8af..0cbbcd1 100644
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index 1c90129..2994a59 100644
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index da2b278..1be318c 100644
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+++ b/doc/arguments.html
@@ -7,7 +7,7 @@
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   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Adding and configuring arguments &mdash; argparse 0.4.0 tutorial</title>
+  <title>Adding and configuring arguments &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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index ea017d2..9922257 100644
--- a/doc/callbacks.html
+++ b/doc/callbacks.html
@@ -7,7 +7,7 @@
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   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Callbacks &mdash; argparse 0.4.0 tutorial</title>
+  <title>Callbacks &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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+    <link rel="top" title="argparse 0.4.1 tutorial" href="index.html"/>
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diff --git a/doc/commands.html b/doc/commands.html
index b34bfd1..d4cd698 100644
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+++ b/doc/commands.html
@@ -7,7 +7,7 @@
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+  <title>Adding and configuring commands &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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diff --git a/doc/defaults.html b/doc/defaults.html
index f3765f0..661dbac 100644
--- a/doc/defaults.html
+++ b/doc/defaults.html
@@ -7,7 +7,7 @@
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-  <title>Default values &mdash; argparse 0.4.0 tutorial</title>
+  <title>Default values &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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index 8b412de..43c90e7 100644
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@@ -29,7 +29,7 @@
   
 
   
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index 6971588..94e054f 100644
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+  <title>Argparse tutorial &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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+    <link rel="top" title="argparse 0.4.1 tutorial" href="#"/>
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@@ -233,7 +233,7 @@ <h1>Argparse tutorial<a class="headerlink" href="#argparse-tutorial" title="Perm
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index 3c6159b..6266a02 100644
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-  <title>Miscellaneous &mdash; argparse 0.4.0 tutorial</title>
+  <title>Miscellaneous &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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+    <link rel="top" title="argparse 0.4.1 tutorial" href="index.html"/>
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@@ -562,7 +562,7 @@ <h3>Option and flag properties<a class="headerlink" href="#option-and-flag-prope
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index f1294ce..4ced17b 100644
--- a/doc/mutexes.html
+++ b/doc/mutexes.html
@@ -7,7 +7,7 @@
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-  <title>Mutually exclusive groups &mdash; argparse 0.4.0 tutorial</title>
+  <title>Mutually exclusive groups &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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+    <link rel="top" title="argparse 0.4.1 tutorial" href="index.html"/>
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Binary files a/doc/objects.inv and b/doc/objects.inv differ
diff --git a/doc/options.html b/doc/options.html
index 6107b88..da3a470 100644
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index b5c7420..e2ae042 100644
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@@ -7,7 +7,7 @@
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+  <title>Creating and using parsers &mdash; argparse 0.4.1 tutorial</title>
   
 
   
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+    <link rel="top" title="argparse 0.4.1 tutorial" href="index.html"/>
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@@ -273,7 +273,7 @@ <h2>Configuring parsers<a class="headerlink" href="#configuring-parsers" title="
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index 957938f..288d315 100644
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@@ -7,7 +7,7 @@
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+  <title>Search &mdash; argparse 0.4.1 tutorial</title>
   
 
   
@@ -28,7 +28,7 @@
   
 
   
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+    <link rel="top" title="argparse 0.4.1 tutorial" href="index.html"/> 
 
   
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diff --git a/docsrc/conf.py b/docsrc/conf.py
index 4c7edb9..7fdf35e 100644
--- a/docsrc/conf.py
+++ b/docsrc/conf.py
@@ -51,9 +51,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '0.4.0'
+version = '0.4.1'
 # The full version, including alpha/beta/rc tags.
-release = '0.4.0'
+release = '0.4.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -117,7 +117,7 @@
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
-html_title = "argparse 0.4.0 tutorial"
+html_title = "argparse 0.4.1 tutorial"
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
 #html_short_title = None
diff --git a/rockspecs/argparse-0.4.1-1.rockspec b/rockspecs/argparse-0.4.1-1.rockspec
new file mode 100644
index 0000000..7d3e7cc
--- /dev/null
+++ b/rockspecs/argparse-0.4.1-1.rockspec
@@ -0,0 +1,22 @@
+package = "argparse"
+version = "0.4.1-1"
+source = {
+   url = "git://github.com/mpeterv/argparse",
+   tag = "0.4.1"
+}
+description = {
+   summary = "A feature-rich command-line argument parser",
+   detailed = "Argparse supports positional arguments, options, flags, optional arguments, subcommands and more. Argparse automatically generates usage, help and error messages.",
+   homepage = "https://github.com/mpeterv/argparse",
+   license = "MIT/X11"
+}
+dependencies = {
+   "lua >= 5.1, < 5.4"
+}
+build = {
+   type = "builtin",
+   modules = {
+      argparse = "src/argparse.lua"
+   },
+   copy_directories = {"doc", "spec"}
+}