diff --git a/libraries/tools.xml b/libraries/tools.xml
new file mode 100644
index 00000000..a5bafe06
--- /dev/null
+++ b/libraries/tools.xml
@@ -0,0 +1 @@
+<blocks app="Snap! 4.2, http://snap.berkeley.edu" version="1"><block-definition s="label %&apos;text&apos; of size %&apos;size&apos;" type="command" category="pen"><comment w="90" collapsed="false">LABEL will stamp text on the stage at the given font size. The direction of the text is the direction the sprite is facing, and color will match the pen color.</comment><header></header><code></code><translations>de:drucke _ in Größe _&#xD;ca:etiqueta _ de mida _&#xD;es:etiqueta _ de tamaño _&#xD;fr:étiquette _ d&apos;une taille de _&#xD;</translations><inputs><input type="%txt">Hello!</input><input type="%n">12</input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>text</l><l>size</l><l>process</l></list><l>var stage = this.parentThatIsA(StageMorph);&#xD;&#xD;if (this == stage) {&#xD;    throw new Error(&#xD;     &apos;LABEL cannot be used from the stage because the stage does not have a postion.\n&apos;&#xD;     + &apos;Use LABEL from a sprite to draw text.&apos;);&#xD;}&#xD;&#xD;if (typeof text !== &apos;string&apos; &amp;&amp; typeof text !== &apos;number&apos;) {&#xD;    throw new Error(&apos;LABEL can only draw text or numbers, not a &apos; + process.reportTypeOf(text)); &#xD;}&#xD;&#xD;var context = stage.penTrails().getContext(&apos;2d&apos;),&#xD;    rotation = radians(this.direction() - 90),&#xD;    trans = new Point(&#xD;      this.center().x - stage.left(),&#xD;      this.center().y - stage.top()&#xD;    ),&#xD;    isWarped = this.Warped,&#xD;    len,&#xD;    pos;&#xD;&#xD;if (isWarped) {endWarp(); }&#xD;context.save();&#xD;context.font = size + &apos;px monospace&apos;;&#xD;context.textAlign = &apos;left&apos;;&#xD;context.textBaseline = &apos;alphabetic&apos;;&#xD;context.fillStyle = this.color.toString();&#xD;len = context.measureText(text).width;&#xD;trans = trans.multiplyBy(1 / stage.scale);&#xD;context.translate(trans.x, trans.y);&#xD;context.rotate(rotation);&#xD;context.fillText(text, 0, 0);&#xD;context.translate(-trans.x, -trans.y);&#xD;context.restore();&#xD;pos = new Point(&#xD;  len * Math.sin(radians(this.direction())),&#xD;  len * Math.cos(radians(this.direction())));&#xD;pos = pos.add(new Point(this.xPosition(), this.yPosition()));&#xD;this.gotoXY(pos.x, pos.y, false);&#xD;this.changed();&#xD;if (isWarped) {this.startWarp(); }&#xD;stage.changed();&#xD;</l></block><list><block var="text"/><block var="size"/></list></block></script></block-definition><block-definition s="empty? %&apos;data&apos;" type="predicate" category="lists"><header></header><code></code><translations>de:ist _ leer?&#xD;ca:_ buida?&#xD;es:_ vacía?&#xD;fr:_ vide?&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportEquals"><block var="data"/><block s="reportNewList"><list></list></block></block></block></script></block-definition><block-definition s="keep items such that %&apos;pred&apos; from %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations>de:behalte Elemente, die _ aus _&#xD;ca:manté els elements on _ de _&#xD;es:mantener los elementos donde _ de _&#xD;fr:garder les items tels que _ de _&#xD;</translations><inputs><input type="%predRing"></input><input type="%l"></input></inputs><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doIfElse"><block s="evaluate"><block var="pred"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><script><block s="doReport"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script><script><block s="doReport"><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></script></block></script></block-definition><block-definition s="combine with %&apos;function&apos; items of %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations>de:kombiniere mit _ die Elemente von _&#xD;ca:combina amb _ els elements de _&#xD;es:combinar con _ los elementos de _&#xD;fr:combine avec _ les items de _&#xD;</translations><inputs><input type="%repRing"></input><input type="%l"></input></inputs><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="data"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="data"/></block></block></script></block><block s="doReport"><block s="evaluate"><block var="function"/><list><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="combine with %repRing items of %l"><block var="function"/><block s="reportCDR"><block var="data"/></block></custom-block></list></block></block></script></block-definition><block-definition s="if %&apos;test&apos; then %&apos;true&apos; else %&apos;false&apos;" type="reporter" category="control"><header></header><code></code><translations>de:wenn _ dann _ sonst _&#xD;ca:si _ llavors _ si no _&#xD;es:si _ entonces _ sino _&#xD;fr:si _ alors _ sinon _&#xD;</translations><inputs><input type="%b"></input><input type="%anyUE"></input><input type="%anyUE"></input></inputs><script><block s="doIfElse"><block var="test"/><script><block s="doReport"><block s="evaluate"><block var="true"/><list></list></block></block></script><script><block s="doReport"><block s="evaluate"><block var="false"/><list></list></block></block></script></block></script></block-definition><block-definition s="for %&apos;i&apos; = %&apos;start&apos; to %&apos;end&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations>de:für _ = _ bis _ _&#xD;ca:per _ = _ fins _ _&#xD;es:para _ = _ hasta _ _&#xD;fr:pour _ allant de _ à _ _&#xD;</translations><inputs><input type="%upvar"></input><input type="%n">1</input><input type="%n">10</input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>step</l><l>tester</l></list></block><block s="doIfElse"><block s="reportGreaterThan"><block var="start"/><block var="end"/></block><script><block s="doSetVar"><l>step</l><l>-1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportLessThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script><script><block s="doSetVar"><l>step</l><l>1</l></block><block s="doSetVar"><l>tester</l><block s="reifyReporter"><autolambda><block s="reportGreaterThan"><block var="i"/><block var="end"/></block></autolambda><list></list></block></block></script></block><block s="doSetVar"><l>i</l><block var="start"/></block><block s="doUntil"><block s="evaluate"><block var="tester"/><list></list></block><script><block s="doRun"><block var="action"/><list></list></block><block s="doChangeVar"><l>i</l><block var="step"/></block></script></block></script></block-definition><block-definition s="join words %&apos;words&apos;" type="reporter" category="operators"><header></header><code></code><translations>de:füge Wörter zusammen _&#xD;ca:uneix les paraules _&#xD;es:unir las palabras _&#xD;fr:fusionne les mots _&#xD;</translations><inputs><input type="%mult%txt"></input></inputs><script><block s="doIf"><custom-block s="empty? %l"><block s="reportCDR"><block var="words"/></block></custom-block><script><block s="doReport"><block s="reportListItem"><l>1</l><block var="words"/></block></block></script></block><block s="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>1</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></block></script></block><block s="doIf"><block s="reportEquals"><l></l><block s="reportListItem"><l>2</l><block var="words"/></block></block><script><block s="doReport"><custom-block s="join words %mult%txt"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="words"/></block><block s="reportCDR"><block s="reportCDR"><block var="words"/></block></block></block></custom-block></block></script></block><block s="doReport"><block s="reportJoinWords"><list><block s="reportListItem"><l>1</l><block var="words"/></block><l> </l><custom-block s="join words %mult%txt"><block s="reportCDR"><block var="words"/></block></custom-block></list></block></block></script></block-definition><block-definition s="list $arrowRight sentence %&apos;data&apos;" type="reporter" category="operators"><header></header><code></code><translations>de:Liste $arrowRight Satz _&#xD;ca:llista $arrowRight frase _&#xD;es:lista $arrowRight frase _&#xD;fr:liste $arrowRight phrase _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><custom-block s="join words %mult%txt"><block var="data"/></custom-block></block></script></block-definition><block-definition s="sentence $arrowRight list %&apos;text&apos;" type="reporter" category="operators"><header></header><code></code><translations>de:Satz $arrowRight Liste _&#xD;ca:frase $arrowRight llista _&#xD;es:frase $arrowRight lista _&#xD;fr:phrase $arrowRight liste _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doReport"><block s="reportTextSplit"><block var="text"/><l><option>whitespace</option></l></block></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;action&apos;" type="command" category="control"><header></header><code></code><translations>de:fange _ _&#xD;ca:agafa _ _&#xD;es:atrapar _ _&#xD;fr:attrape _ _&#xD;</translations><inputs><input type="%upvar"></input><input type="%cs"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doRun"><block var="action"/><list></list></block></script><list><l>cont</l></list></block></block><custom-block s="ignore %s"><l>3</l></custom-block></script></block-definition><block-definition s="throw %&apos;cont&apos;" type="command" category="control"><header></header><code></code><translations>de:wirf _&#xD;ca:llança _&#xD;es:lanzar _&#xD;fr:lance _&#xD;</translations><inputs><input type="%s">catchtag</input></inputs><script><block s="doRun"><block var="cont"/><list></list></block></script></block-definition><block-definition s="catch %&apos;tag&apos; %&apos;value&apos;" type="reporter" category="control"><header></header><code></code><translations>de:fange _ _&#xD;ca:agafa _ _&#xD;es:atrapar _ _&#xD;fr:attrape _ _&#xD;</translations><inputs><input type="%upvar"></input><input type="%anyUE"></input></inputs><script><block s="doCallCC"><block s="reifyScript"><script><block s="doSetVar"><l>tag</l><block var="cont"/></block><block s="doReport"><block s="evaluate"><block var="value"/><list></list></block></block></script><list><l>cont</l></list></block></block></script></block-definition><block-definition s="throw %&apos;tag&apos; %&apos;value&apos;" type="command" category="control"><header></header><code></code><translations>de:wirf _ _&#xD;ca:llança _ _&#xD;es:lanzar _ _&#xD;fr:lance _ _&#xD;</translations><inputs><input type="%s">catchtag</input><input type="%s"></input></inputs><script><block s="doRun"><block var="tag"/><list><block var="value"/></list></block></script></block-definition><block-definition s="for each %&apos;item&apos; of %&apos;data&apos; %&apos;action&apos;" type="command" category="lists"><header></header><code></code><translations>de:für jedes _ von _ _&#xD;ca:per cada _ de _ _&#xD;es:para cada _ de _ _&#xD;fr:pour chaque _ de _ _&#xD;</translations><inputs><input type="%upvar"></input><input type="%l"></input><input type="%cs"></input></inputs><script><block s="doUntil"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doSetVar"><l>item</l><block s="reportListItem"><l>1</l><block var="data"/></block></block><block s="doRun"><block var="action"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block s="doSetVar"><l>data</l><block s="reportCDR"><block var="data"/></block></block></script></block></script></block-definition><block-definition s="if %&apos;test&apos; do %&apos;action&apos; and pause all $pause-1-255-220-0" type="command" category="control"><header></header><code></code><translations>de:falls _ dann _ und pause $pause-1-255-220-0&#xD;ca:si _ fes _ i atura-ho tot $pause-1-255-220-0&#xD;es:si _ haz _ y páralo todo $pause-1-255-220-0&#xD;fr:si _ faire _ et mettre tout en pause $pause-1-255-220-0&#xD;</translations><inputs><input type="%boolUE"></input><input type="%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>breakpoint</l></list></block><block s="doIf"><block s="evaluate"><block var="test"/><list></list></block><script><block s="doSetVar"><l>breakpoint</l><block var="test"/></block><block s="doShowVar"><l>breakpoint</l></block><block s="doRun"><block var="action"/><list></list></block><block s="doPauseAll"></block><block s="doHideVar"><l></l></block></script></block></script></block-definition><block-definition s="word $arrowRight list %&apos;word&apos;" type="reporter" category="operators"><header></header><code></code><translations>de:Wort $arrowRight Liste _&#xD;ca:paraula $arrowRight llista _&#xD;es:palabra $arrowRight lista _&#xD;fr:mot $arrowRight liste _&#xD;</translations><inputs><input type="%txt"></input></inputs><script><block s="doReport"><block s="reportTextSplit"><block var="word"/><l><option>letter</option></l></block></block></script></block-definition><block-definition s="ignore %&apos;x&apos;" type="command" category="control"><header></header><code></code><translations>de:ignoriere _&#xD;ca:ignora _&#xD;es:ignorar _&#xD;fr:ignore _&#xD;</translations><inputs><input type="%s"></input></inputs></block-definition><block-definition s="list $arrowRight word %&apos;list&apos;" type="reporter" category="operators"><header></header><code></code><translations>de:Liste $arrowRight Wort _&#xD;ca:llista $arrowRight paraula _&#xD;es:lista $arrowRight palabra _&#xD;fr:liste $arrowRight mot _&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportJoinWords"><block var="list"/></block></block></script></block-definition><block-definition s="%&apos;x&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block var="x"/></block></script></block-definition><block-definition s="numbers from %&apos;from&apos; to %&apos;to&apos;" type="reporter" category="lists"><header></header><code></code><translations>de:Zahlen von _ bis _&#xD;ca:nombres des de _ a _&#xD;es:números de _ a _&#xD;fr:nombres de _ à _&#xD;</translations><inputs><input type="%n">1</input><input type="%n">10</input></inputs><script><block s="doIf"><block s="reportGreaterThan"><block var="from"/><block var="to"/></block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doReport"><block s="reportCONS"><block var="from"/><custom-block s="numbers from %n to %n"><block s="reportSum"><block var="from"/><l>1</l></block><block var="to"/></custom-block></block></block></script></block-definition><block-definition s="map %&apos;func&apos; over %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations>de:wende _ an auf _&#xD;ca:mapeja _ sobre _&#xD;es:mapear _ sobre _&#xD;fr:appliquer _ à _&#xD;</translations><inputs><input type="%repRing"></input><input type="%l"></input></inputs><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block var="data"/></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="func"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><custom-block s="map %repRing over %l"><block var="func"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script></block-definition></blocks>
\ No newline at end of file