diff --git a/nanoev-picos/_doc-dir/CHANGES.md b/nanoev-picos/_doc-dir/CHANGES.md
new file mode 100644
index 0000000..f315493
--- /dev/null
+++ b/nanoev-picos/_doc-dir/CHANGES.md
@@ -0,0 +1,3 @@
+# 0.1
+
+initial release, with poll and select backends.
diff --git a/nanoev-picos/index.html b/nanoev-picos/index.html
index a595af9..05cface 100644
--- a/nanoev-picos/index.html
+++ b/nanoev-picos/index.html
@@ -1,2 +1,2 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev-picos.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev-picos</nav><header class="odoc-preamble"><h1 id="package-nanoev-picos"><a href="#package-nanoev-picos" class="anchor"></a>Package nanoev-picos  <nav>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev_picos/index.html"><code>Nanoev_picos</code></a> <span class="synopsis">Basic interface with picos</span></li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
+<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev-picos.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev-picos</nav><header class="odoc-preamble"><h1 id="package-nanoev-picos"><a href="#package-nanoev-picos" class="anchor"></a>Package nanoev-picos  <nav><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">changes</a>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev_picos/index.html"><code>Nanoev_picos</code></a> <span class="synopsis">Basic interface with picos</span></li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-changes-files"><td><a href="#info-changes-files" aria-hidden="true" class="anchor"></a>changes-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">CHANGES.md</a></li></ul></td></tr><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
diff --git a/nanoev-posix/_doc-dir/CHANGES.md b/nanoev-posix/_doc-dir/CHANGES.md
new file mode 100644
index 0000000..f315493
--- /dev/null
+++ b/nanoev-posix/_doc-dir/CHANGES.md
@@ -0,0 +1,3 @@
+# 0.1
+
+initial release, with poll and select backends.
diff --git a/nanoev-posix/index.html b/nanoev-posix/index.html
index ed74286..5773813 100644
--- a/nanoev-posix/index.html
+++ b/nanoev-posix/index.html
@@ -1,2 +1,2 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev-posix.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev-posix</nav><header class="odoc-preamble"><h1 id="package-nanoev-posix"><a href="#package-nanoev-posix" class="anchor"></a>Package nanoev-posix  <nav>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev_posix/index.html"><code>Nanoev_posix</code></a> <span class="synopsis">Nano event loop using Poll/Ppoll</span></li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
+<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev-posix.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev-posix</nav><header class="odoc-preamble"><h1 id="package-nanoev-posix"><a href="#package-nanoev-posix" class="anchor"></a>Package nanoev-posix  <nav><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">changes</a>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev_posix/index.html"><code>Nanoev_posix</code></a> <span class="synopsis">Nano event loop using Poll/Ppoll</span></li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-changes-files"><td><a href="#info-changes-files" aria-hidden="true" class="anchor"></a>changes-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">CHANGES.md</a></li></ul></td></tr><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
diff --git a/nanoev/_doc-dir/CHANGES.md b/nanoev/_doc-dir/CHANGES.md
new file mode 100644
index 0000000..f315493
--- /dev/null
+++ b/nanoev/_doc-dir/CHANGES.md
@@ -0,0 +1,3 @@
+# 0.1
+
+initial release, with poll and select backends.
diff --git a/nanoev/index.html b/nanoev/index.html
index f104eca..e54fe0c 100644
--- a/nanoev/index.html
+++ b/nanoev/index.html
@@ -1,2 +1,2 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev</nav><header class="odoc-preamble"><h1 id="package-nanoev"><a href="#package-nanoev" class="anchor"></a>Package nanoev  <nav>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev/index.html"><code>Nanoev</code></a> <span class="synopsis">Nano event loop</span></li><li><a href="Nanoev_unix/index.html"><code>Nanoev_unix</code></a> <span class="synopsis">Nano event loop</span></li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
+<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev</nav><header class="odoc-preamble"><h1 id="package-nanoev"><a href="#package-nanoev" class="anchor"></a>Package nanoev  <nav><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">changes</a>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev/index.html"><code>Nanoev</code></a> <span class="synopsis">Nano event loop</span></li><li><a href="Nanoev_unix/index.html"><code>Nanoev_unix</code></a> <span class="synopsis">Nano event loop</span></li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-changes-files"><td><a href="#info-changes-files" aria-hidden="true" class="anchor"></a>changes-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">CHANGES.md</a></li></ul></td></tr><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
diff --git a/nanoev_tiny_httpd/_doc-dir/CHANGES.md b/nanoev_tiny_httpd/_doc-dir/CHANGES.md
new file mode 100644
index 0000000..f315493
--- /dev/null
+++ b/nanoev_tiny_httpd/_doc-dir/CHANGES.md
@@ -0,0 +1,3 @@
+# 0.1
+
+initial release, with poll and select backends.
diff --git a/nanoev_tiny_httpd/index.html b/nanoev_tiny_httpd/index.html
index 616adf7..48a319f 100644
--- a/nanoev_tiny_httpd/index.html
+++ b/nanoev_tiny_httpd/index.html
@@ -1,2 +1,2 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev_tiny_httpd.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev_tiny_httpd</nav><header class="odoc-preamble"><h1 id="package-nanoev_tiny_httpd"><a href="#package-nanoev_tiny_httpd" class="anchor"></a>Package nanoev_tiny_httpd  <nav>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev_tiny_httpd/index.html"><code>Nanoev_tiny_httpd</code></a> </li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
+<html xmlns="http://www.w3.org/1999/xhtml"><head><title>index (nanoev_tiny_httpd.index)</title><meta charset="utf-8"/><link rel="stylesheet" href="../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">Index</a> &#x00BB; nanoev_tiny_httpd</nav><header class="odoc-preamble"><h1 id="package-nanoev_tiny_httpd"><a href="#package-nanoev_tiny_httpd" class="anchor"></a>Package nanoev_tiny_httpd  <nav><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">changes</a>  <a href="#package_info">more…</a></nav></h1><ul class="modules"><li><a href="Nanoev_tiny_httpd/index.html"><code>Nanoev_tiny_httpd</code></a> </li></ul></header><div class="odoc-tocs"><nav class="odoc-toc odoc-local-toc"><ul><li><a href="#package_info">Package info</a></li></ul></nav></div><div class="odoc-content"><h2 id="package_info"><a href="#package_info" class="anchor"></a>Package info</h2><table class="package info"><tr id="info-changes-files"><td><a href="#info-changes-files" aria-hidden="true" class="anchor"></a>changes-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/CHANGES.md">CHANGES.md</a></li></ul></td></tr><tr id="info-readme-files"><td><a href="#info-readme-files" aria-hidden="true" class="anchor"></a>readme-files</td><td><ul><li><a type="text/plain; charset=UTF-8" href="_doc-dir/README.md">README.md</a></li></ul></td></tr></table></div></body></html>
