diff --git a/.ldoc/config.ld b/.ldoc/config.ld
index 72d7f90..cf24500 100644
--- a/.ldoc/config.ld
+++ b/.ldoc/config.ld
@@ -17,7 +17,6 @@ title = "Cleaner mod for Minetest"
 format = "markdown"
 not_luadoc=true
 boilerplate = false
-style = true
 icon = "textures/cleaner_pencil.png"
 favicon = "https://www.minetest.net/media/icon.svg"
 
diff --git a/.ldoc/ldoc.css b/.ldoc/ldoc.css
deleted file mode 100644
index dc1d328..0000000
--- a/.ldoc/ldoc.css
+++ /dev/null
@@ -1,305 +0,0 @@
-/* BEGIN RESET
-
-Copyright (c) 2010, Yahoo! Inc. All rights reserved.
-Code licensed under the BSD License:
-http://developer.yahoo.com/yui/license.html
-version: 2.8.2r1
-*/
-html {
-    color: #000;
-    background: #FFF;
-}
-body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td {
-    margin: 0;
-    padding: 0;
-}
-table {
-    border-collapse: collapse;
-    border-spacing: 0;
-}
-fieldset,img {
-    border: 0;
-}
-address,caption,cite,code,dfn,em,strong,th,var,optgroup {
-    font-style: inherit;
-    font-weight: inherit;
-}
-del,ins {
-    text-decoration: none;
-}
-li {
-    margin-left: 20px;
-}
-caption,th {
-    text-align: left;
-}
-h1,h2,h3,h4,h5,h6 {
-    font-size: 100%;
-    font-weight: bold;
-}
-q:before,q:after {
-    content: '';
-}
-abbr,acronym {
-    border: 0;
-    font-variant: normal;
-}
-sup {
-    vertical-align: baseline;
-}
-sub {
-    vertical-align: baseline;
-}
-legend {
-    color: #000;
-}
-input,button,textarea,select,optgroup,option {
-    font-family: inherit;
-    font-size: inherit;
-    font-style: inherit;
-    font-weight: inherit;
-}
-input,button,textarea,select {*font-size:100%;
-}
-/* END RESET */
-
-body {
-    margin-left: 1em;
-    margin-right: 1em;
-    font-family: arial, helvetica, geneva, sans-serif;
-    background-color: #ffffff; margin: 0px;
-}
-
-code, tt { font-family: monospace; font-size: 1.1em; }
-span.parameter { font-family:monospace; }
-span.parameter:after { content:":"; }
-span.types:before { content:"("; }
-span.types:after { content:")"; }
-.type { font-weight: bold; font-style:italic }
-
-body, p, td, th { font-size: .95em; line-height: 1.2em;}
-
-p, ul { margin: 10px 0 0 0px;}
-
-strong { font-weight: bold;}
-
-em { font-style: italic;}
-
-h1 {
-    font-size: 1.5em;
-    margin: 20px 0 20px 0;
-}
-h2, h3, h4 { margin: 15px 0 10px 0; }
-h2 { font-size: 1.25em; }
-h3 { font-size: 1.15em; }
-h4 { font-size: 1.06em; }
-
-a:link { font-weight: bold; color: #004080; text-decoration: none; }
-a:visited { font-weight: bold; color: #006699; text-decoration: none; }
-a:link:hover { text-decoration: underline; }
-
-hr {
-    color:#cccccc;
-    background: #00007f;
-    height: 1px;
-}
-
-blockquote { margin-left: 3em; }
-
-ul { list-style-type: disc; }
-
-p.name {
-    font-family: "Andale Mono", monospace;
-    padding-top: 1em;
-}
-
-pre {
-    background-color: rgb(245, 245, 245);
-    border: 1px solid #C0C0C0; /* silver */
-    padding: 10px;
-    margin: 10px 0 10px 0;
-    overflow: auto;
-    font-family: "Andale Mono", monospace;
-}
-
-pre.example {
-    font-size: .85em;
-}
-
-table.index { border: 1px #00007f; }
-table.index td { text-align: left; vertical-align: top; }
-
-#container {
-    margin-left: 1em;
-    margin-right: 1em;
-    background-color: #f0f0f0;
-}
-
-#product {
-    text-align: center;
-    border-bottom: 1px solid #cccccc;
-    background-color: #ffffff;
-}
-
-#product big {
-    font-size: 2em;
-}
-
-#main {
-    background-color: #f0f0f0;
-    border-left: 2px solid #cccccc;
-}
-
-#navigation {
-    float: left;
-    width: 14em;
-    vertical-align: top;
-    background-color: #f0f0f0;
-    overflow: visible;
-    position: fixed;
-}
-
-#navigation h2 {
-    background-color:#e7e7e7;
-    font-size:1.1em;
-    color:#000000;
-    text-align: left;
-    padding:0.2em;
-    border-top:1px solid #dddddd;
-    border-bottom:1px solid #dddddd;
-}
-
-#navigation ul
-{
-    font-size:1em;
-    list-style-type: none;
-    margin: 1px 1px 10px 1px;
-}
-
-#navigation li {
-    text-indent: -1em;
-    display: block;
-    margin: 3px 0px 0px 22px;
-}
-
-#navigation li li a {
-    margin: 0px 3px 0px -1em;
-}
-
-#content {
-    margin-left: 14em;
-    padding: 1em;
-    width: 700px;
-    border-left: 2px solid #cccccc;
-    border-right: 2px solid #cccccc;
-    background-color: #ffffff;
-    min-height: 425px;
-}
-
-#about {
-    clear: both;
-    padding: 5px;
-    border-top: 2px solid #cccccc;
-    background-color: #ffffff;
-}
-
-@media print {
-    body {
-        font: 12pt "Times New Roman", "TimeNR", Times, serif;
-    }
-    a { font-weight: bold; color: #004080; text-decoration: underline; }
-
-    #main {
-        background-color: #ffffff;
-        border-left: 0px;
-    }
-
-    #container {
-        margin-left: 2%;
-        margin-right: 2%;
-        background-color: #ffffff;
-    }
-
-    #content {
-        padding: 1em;
-        background-color: #ffffff;
-    }
-
-    #navigation {
-        display: none;
-    }
-    pre.example {
-        font-family: "Andale Mono", monospace;
-        font-size: 10pt;
-        page-break-inside: avoid;
-    }
-}
-
-table.module_list {
-    border-width: 1px;
-    border-style: solid;
-    border-color: #cccccc;
-    border-collapse: collapse;
-}
-table.module_list td {
-    border-width: 1px;
-    padding: 3px;
-    border-style: solid;
-    border-color: #cccccc;
-}
-table.module_list td.name { background-color: #f0f0f0; min-width: 200px; }
-table.module_list td.summary { width: 100%; }
-
-
-table.function_list {
-    border-width: 1px;
-    border-style: solid;
-    border-color: #cccccc;
-    border-collapse: collapse;
-}
-table.function_list td {
-    border-width: 1px;
-    padding: 3px;
-    border-style: solid;
-    border-color: #cccccc;
-}
-table.function_list td.name { background-color: #f0f0f0; min-width: 200px; }
-table.function_list td.summary { width: 100%; }
-
-ul.nowrap {
-    overflow:auto;
-    white-space:nowrap;
-}
-
-dl.table dt, dl.function dt {border-top: 1px solid #ccc; padding-top: 1em;}
-dl.table dd, dl.function dd {padding-bottom: 1em; margin: 10px 0 0 20px;}
-dl.table h3, dl.function h3 {font-size: .95em;}
-
-/* stop sublists from having initial vertical space */
-ul ul { margin-top: 0px; }
-ol ul { margin-top: 0px; }
-ol ol { margin-top: 0px; }
-ul ol { margin-top: 0px; }
-
-/* make the target distinct; helps when we're navigating to a function */
-a:target + * {
-  background-color: #FF9;
-}
-
-
-/* styles for prettification of source */
-pre .comment { color: #558817; }
-pre .constant { color: #a8660d; }
-pre .escape { color: #844631; }
-pre .keyword { color: #aa5050; font-weight: bold; }
-pre .library { color: #0e7c6b; }
-pre .marker { color: #512b1e; background: #fedc56; font-weight: bold; }
-pre .string { color: #8080ff; }
-pre .number { color: #f8660d; }
-pre .operator { color: #2239a8; font-weight: bold; }
-pre .preprocessor, pre .prepro { color: #a33243; }
-pre .global { color: #800080; }
-pre .user-keyword { color: #800080; }
-pre .prompt { color: #558817; }
-pre .url { color: #272fc2; text-decoration: underline; }
-