diff --git a/dist/ReactDnDHTML5Backend.min.js b/dist/ReactDnDHTML5Backend.min.js
new file mode 100644
index 0000000..427ad42
--- /dev/null
+++ b/dist/ReactDnDHTML5Backend.min.js
@@ -0,0 +1 @@
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.ReactDnDHTML5Backend=e():t.ReactDnDHTML5Backend=e()}(this,function(){return function(t){function e(n){if(r[n])return r[n].exports;var o=r[n]={exports:{},id:n,loaded:!1};return t[n].call(o.exports,o,o.exports,e),o.loaded=!0,o.exports}var r={};return e.m=t,e.c=r,e.p="",e(0)}([function(t,e,r){"use strict";function n(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(e[r]=t[r]);return e["default"]=t,e}function o(t){return t&&t.__esModule?t:{"default":t}}function i(t){return new u["default"](t)}e.__esModule=!0,e["default"]=i;var a=r(17),u=o(a),s=r(21),c=o(s),f=r(7),d=n(f);e.NativeTypes=d,e.getEmptyImage=c["default"]},function(t,e){function r(t){var e=typeof t;return!!t&&("object"==e||"function"==e)}t.exports=r},function(t,e,r){function n(t){return null!=t&&i(o(t))}var o=r(41),i=r(5);t.exports=n},function(t,e){function r(t,e){if("function"!=typeof t)throw new TypeError(n);return e=o(void 0===e?t.length-1:+e||0,0),function(){for(var r=arguments,n=-1,i=o(r.length-e,0),a=Array(i);++n-1&&t%1==0&&n>=t}var n=9007199254740991;t.exports=r},function(t,e){function r(t){return!!t&&"object"==typeof t}t.exports=r},function(t,e){"use strict";e.__esModule=!0;var r="__NATIVE_FILE__";e.FILE=r;var n="__NATIVE_URL__";e.URL=n;var o="__NATIVE_TEXT__";e.TEXT=o},function(t,e){function r(t,e){return t="number"==typeof t||n.test(t)?+t:-1,e=null==e?o:e,t>-1&&t%1==0&&e>t}var n=/^\d+$/,o=9007199254740991;t.exports=r},function(t,e,r){function n(t){return i(t)&&o(t)&&u.call(t,"callee")&&!s.call(t,"callee")}var o=r(2),i=r(6),a=Object.prototype,u=a.hasOwnProperty,s=a.propertyIsEnumerable;t.exports=n},function(t,e,r){var n=r(4),o=r(5),i=r(6),a="[object Array]",u=Object.prototype,s=u.toString,c=n(Array,"isArray"),f=c||function(t){return i(t)&&o(t.length)&&s.call(t)==a};t.exports=f},function(t,e,r){"use strict";function n(t){return t&&t.__esModule?t:{"default":t}}e.__esModule=!0;var o=r(25),i=n(o),a=i["default"](function(){return/firefox/i.test(navigator.userAgent)});e.isFirefox=a;var u=i["default"](function(){return Boolean(window.safari)});e.isSafari=u},function(t,e,r){function n(t,e,r){if(e!==e)return o(t,r);for(var n=r-1,i=t.length;++n0},t.prototype.leave=function(t){var e=this.entered.length;return this.entered=s["default"](this.entered.filter(function(t){return document.documentElement.contains(t)}),t),e>0&&0===this.entered.length},t.prototype.reset=function(){this.entered=[]},t}();e["default"]=c,t.exports=e["default"]},function(t,e,r){"use strict";function n(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(e[r]=t[r]);return e["default"]=t,e}function o(t){return t&&t.__esModule?t:{"default":t}}function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}e.__esModule=!0;var a=r(52),u=o(a),s=r(22),c=o(s),f=r(16),d=o(f),p=r(11),h=r(20),l=r(19),g=r(7),v=n(g),D=function(){function t(e){i(this,t),this.actions=e.getActions(),this.monitor=e.getMonitor(),this.registry=e.getRegistry(),this.sourcePreviewNodes={},this.sourcePreviewNodeOptions={},this.sourceNodes={},this.sourceNodeOptions={},this.enterLeaveCounter=new d["default"],this.getSourceClientOffset=this.getSourceClientOffset.bind(this),this.handleTopDragStart=this.handleTopDragStart.bind(this),this.handleTopDragStartCapture=this.handleTopDragStartCapture.bind(this),this.handleTopDragEndCapture=this.handleTopDragEndCapture.bind(this),this.handleTopDragEnter=this.handleTopDragEnter.bind(this),this.handleTopDragEnterCapture=this.handleTopDragEnterCapture.bind(this),this.handleTopDragLeaveCapture=this.handleTopDragLeaveCapture.bind(this),this.handleTopDragOver=this.handleTopDragOver.bind(this),this.handleTopDragOverCapture=this.handleTopDragOverCapture.bind(this),this.handleTopDrop=this.handleTopDrop.bind(this),this.handleTopDropCapture=this.handleTopDropCapture.bind(this),this.handleSelectStart=this.handleSelectStart.bind(this),this.endDragIfSourceWasRemovedFromDOM=this.endDragIfSourceWasRemovedFromDOM.bind(this)}return t.prototype.setup=function(){if("undefined"!=typeof window){if(this.constructor.isSetUp)throw new Error("Cannot have two HTML5 backends at the same time.");this.constructor.isSetUp=!0,window.addEventListener("dragstart",this.handleTopDragStart),window.addEventListener("dragstart",this.handleTopDragStartCapture,!0),window.addEventListener("dragend",this.handleTopDragEndCapture,!0),window.addEventListener("dragenter",this.handleTopDragEnter),window.addEventListener("dragenter",this.handleTopDragEnterCapture,!0),window.addEventListener("dragleave",this.handleTopDragLeaveCapture,!0),window.addEventListener("dragover",this.handleTopDragOver),window.addEventListener("dragover",this.handleTopDragOverCapture,!0),window.addEventListener("drop",this.handleTopDrop),window.addEventListener("drop",this.handleTopDropCapture,!0)}},t.prototype.teardown=function(){"undefined"!=typeof window&&(this.constructor.isSetUp=!1,window.removeEventListener("dragstart",this.handleTopDragStart),window.removeEventListener("dragstart",this.handleTopDragStartCapture,!0),window.removeEventListener("dragend",this.handleTopDragEndCapture,!0),window.removeEventListener("dragenter",this.handleTopDragEnter),window.removeEventListener("dragenter",this.handleTopDragEnterCapture,!0),window.removeEventListener("dragleave",this.handleTopDragLeaveCapture,!0),window.removeEventListener("dragover",this.handleTopDragOver),window.removeEventListener("dragover",this.handleTopDragOverCapture,!0),window.removeEventListener("drop",this.handleTopDrop),window.removeEventListener("drop",this.handleTopDropCapture,!0),this.clearCurrentDragSourceNode())},t.prototype.connectDragPreview=function(t,e,r){var n=this;return this.sourcePreviewNodeOptions[t]=r,this.sourcePreviewNodes[t]=e,function(){delete n.sourcePreviewNodes[t],delete n.sourcePreviewNodeOptions[t]}},t.prototype.connectDragSource=function(t,e,r){var n=this;this.sourceNodes[t]=e,this.sourceNodeOptions[t]=r;var o=function(e){return n.handleDragStart(e,t)},i=function(e){return n.handleSelectStart(e,t)};return e.setAttribute("draggable",!0),e.addEventListener("dragstart",o),e.addEventListener("selectstart",i),function(){delete n.sourceNodes[t],delete n.sourceNodeOptions[t],e.removeEventListener("dragstart",o),e.removeEventListener("selectstart",i),e.setAttribute("draggable",!1)}},t.prototype.connectDropTarget=function(t,e){var r=this,n=function(e){return r.handleDragEnter(e,t)},o=function(e){return r.handleDragOver(e,t)},i=function(e){return r.handleDrop(e,t)};return e.addEventListener("dragenter",n),e.addEventListener("dragover",o),e.addEventListener("drop",i),function(){e.removeEventListener("dragenter",n),e.removeEventListener("dragover",o),e.removeEventListener("drop",i)}},t.prototype.getCurrentSourceNodeOptions=function(){var t=this.monitor.getSourceId(),e=this.sourceNodeOptions[t];return u["default"](e||{},{dropEffect:"move"})},t.prototype.getCurrentDropEffect=function(){return this.isDraggingNativeItem()?"copy":this.getCurrentSourceNodeOptions().dropEffect},t.prototype.getCurrentSourcePreviewNodeOptions=function(){var t=this.monitor.getSourceId(),e=this.sourcePreviewNodeOptions[t];return u["default"](e||{},{anchorX:.5,anchorY:.5,captureDraggingState:!1})},t.prototype.getSourceClientOffset=function(t){return h.getNodeClientOffset(this.sourceNodes[t])},t.prototype.isDraggingNativeItem=function(){var t=this.monitor.getItemType();return Object.keys(v).some(function(e){return v[e]===t})},t.prototype.beginDragNativeItem=function(t){this.clearCurrentDragSourceNode();var e=l.createNativeDragSource(t);this.currentNativeSource=new e,this.currentNativeHandle=this.registry.addSource(t,this.currentNativeSource),this.actions.beginDrag([this.currentNativeHandle])},t.prototype.endDragNativeItem=function(){this.actions.endDrag(),this.registry.removeSource(this.currentNativeHandle),this.currentNativeHandle=null,this.currentNativeSource=null},t.prototype.endDragIfSourceWasRemovedFromDOM=function(){var t=this.currentDragSourceNode;document.body.contains(t)||(this.actions.endDrag(),this.clearCurrentDragSourceNode())},t.prototype.setCurrentDragSourceNode=function(t){this.clearCurrentDragSourceNode(),this.currentDragSourceNode=t,this.currentDragSourceNodeOffset=h.getNodeClientOffset(t),this.currentDragSourceNodeOffsetChanged=!1,window.addEventListener("mousemove",this.endDragIfSourceWasRemovedFromDOM,!0)},t.prototype.clearCurrentDragSourceNode=function(){return this.currentDragSourceNode?(this.currentDragSourceNode=null,this.currentDragSourceNodeOffset=null,this.currentDragSourceNodeOffsetChanged=!1,window.removeEventListener("mousemove",this.endDragIfSourceWasRemovedFromDOM,!0),!0):!1},t.prototype.checkIfCurrentDragSourceRectChanged=function(){var t=this.currentDragSourceNode;return t?this.currentDragSourceNodeOffsetChanged?!0:(this.currentDragSourceNodeOffsetChanged=!c["default"](h.getNodeClientOffset(t),this.currentDragSourceNodeOffset),this.currentDragSourceNodeOffsetChanged):!1},t.prototype.handleTopDragStartCapture=function(){this.clearCurrentDragSourceNode(),this.dragStartSourceIds=[]},t.prototype.handleDragStart=function(t,e){this.dragStartSourceIds.unshift(e)},t.prototype.handleTopDragStart=function(t){var e=this,r=this.dragStartSourceIds;this.dragStartSourceIds=null;var n=h.getEventClientOffset(t);this.actions.beginDrag(r,{publishSource:!1,getSourceClientOffset:this.getSourceClientOffset,clientOffset:n});var o=t.dataTransfer,i=l.matchNativeItemType(o);if(this.monitor.isDragging()){if("function"==typeof o.setDragImage){var a=this.monitor.getSourceId(),u=this.sourceNodes[a],s=this.sourcePreviewNodes[a]||u,c=this.getCurrentSourcePreviewNodeOptions(),f=c.anchorX,d=c.anchorY,p={anchorX:f,anchorY:d},g=h.getDragPreviewOffset(u,s,n,p);o.setDragImage(s,g.x,g.y)}try{o.setData("application/json",{})}catch(v){}this.setCurrentDragSourceNode(t.target);var D=this.getCurrentSourcePreviewNodeOptions(),y=D.captureDraggingState;y?this.actions.publishDragSource():setTimeout(function(){return e.actions.publishDragSource()})}else if(i)this.beginDragNativeItem(i);else{if(!(o.types||t.target.hasAttribute&&t.target.hasAttribute("draggable")))return;t.preventDefault()}},t.prototype.handleTopDragEndCapture=function(){this.clearCurrentDragSourceNode()&&this.actions.endDrag()},t.prototype.handleTopDragEnterCapture=function(t){this.dragEnterTargetIds=[];var e=this.enterLeaveCounter.enter(t.target);if(e&&!this.monitor.isDragging()){var r=t.dataTransfer,n=l.matchNativeItemType(r);n&&this.beginDragNativeItem(n)}},t.prototype.handleDragEnter=function(t,e){this.dragEnterTargetIds.unshift(e)},t.prototype.handleTopDragEnter=function(t){var e=this,r=this.dragEnterTargetIds;if(this.dragEnterTargetIds=[],this.monitor.isDragging()){p.isFirefox()||this.actions.hover(r,{clientOffset:h.getEventClientOffset(t)});var n=r.some(function(t){return e.monitor.canDropOnTarget(t)});n&&(t.preventDefault(),t.dataTransfer.dropEffect=this.getCurrentDropEffect())}},t.prototype.handleTopDragOverCapture=function(){this.dragOverTargetIds=[]},t.prototype.handleDragOver=function(t,e){this.dragOverTargetIds.unshift(e)},t.prototype.handleTopDragOver=function(t){var e=this,r=this.dragOverTargetIds;if(this.dragOverTargetIds=[],!this.monitor.isDragging())return t.preventDefault(),void(t.dataTransfer.dropEffect="none");this.actions.hover(r,{clientOffset:h.getEventClientOffset(t)});var n=r.some(function(t){return e.monitor.canDropOnTarget(t)});n?(t.preventDefault(),t.dataTransfer.dropEffect=this.getCurrentDropEffect()):this.isDraggingNativeItem()?(t.preventDefault(),t.dataTransfer.dropEffect="none"):this.checkIfCurrentDragSourceRectChanged()&&(t.preventDefault(),t.dataTransfer.dropEffect="move")},t.prototype.handleTopDragLeaveCapture=function(t){this.isDraggingNativeItem()&&t.preventDefault();var e=this.enterLeaveCounter.leave(t.target);e&&this.isDraggingNativeItem()&&this.endDragNativeItem()},t.prototype.handleTopDropCapture=function(t){this.dropTargetIds=[],t.preventDefault(),this.isDraggingNativeItem()&&this.currentNativeSource.mutateItemByReadingDataTransfer(t.dataTransfer),this.enterLeaveCounter.reset()},t.prototype.handleDrop=function(t,e){this.dropTargetIds.unshift(e)},t.prototype.handleTopDrop=function(t){var e=this.dropTargetIds;this.dropTargetIds=[],this.actions.hover(e,{clientOffset:h.getEventClientOffset(t)}),this.actions.drop(),this.isDraggingNativeItem()?this.endDragNativeItem():this.endDragIfSourceWasRemovedFromDOM()},t.prototype.handleSelectStart=function(t){"function"==typeof t.target.dragDrop&&(t.preventDefault(),t.target.dragDrop())},t}();e["default"]=D,t.exports=e["default"]},function(t,e){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}e.__esModule=!0;var n=function(){function t(e,n){r(this,t);for(var o=e.length,i=[],a=0;o>a;a++)i.push(a);i.sort(function(t,r){return e[t]a;a++)f=e[a+1]-e[a],d=n[a+1]-n[a],s.push(f),u.push(d),c.push(d/f);for(var p=[c[0]],a=0;a=h*l)p.push(0);else{f=s[a];var g=s[a+1],v=f+g;p.push(3*v/((v+g)/h+(v+f)/l))}}p.push(c[c.length-1]);for(var D=[],y=[],m=void 0,a=0;a=u;){c=Math.floor(.5*(u+s));var f=e[c];if(t>f)u=c+1;else{if(!(f>t))return r[c];s=c-1}}a=Math.max(0,s);var d=t-e[a],p=d*d;return r[a]+n[a]*d+o[a]*p+i[a]*d*p},t}();e["default"]=n,t.exports=e["default"]},function(t,e,r){"use strict";function n(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(e[r]=t[r]);return e["default"]=t,e}function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function i(t,e,r){return e in t?Object.defineProperty(t,e,{value:r,enumerable:!0,configurable:!0,writable:!0}):t[e]=r,t}function a(t,e,r){var n=e.reduce(function(e,r){return e||t.getData(r)},null);return null!=n?n:r}function u(t){var e=p[t],r=e.exposeProperty,n=e.matchesTypes,a=e.getData;return function(){function t(){o(this,t),this.item=Object.defineProperties({},i({},r,{get:function(){return console.warn("Browser doesn't allow reading \""+r+'" until the drop event.'),null},configurable:!0,enumerable:!0}))}return t.prototype.mutateItemByReadingDataTransfer=function(t){delete this.item[r],this.item[r]=a(t,n)},t.prototype.canDrag=function(){return!0},t.prototype.beginDrag=function(){return this.item},t.prototype.isDragging=function(t,e){return e===t.getSourceId()},t.prototype.endDrag=function(){},t}()}function s(t){var e=Array.prototype.slice.call(t.types||[]);return Object.keys(p).filter(function(t){var r=p[t].matchesTypes;return r.some(function(t){return e.indexOf(t)>-1})})[0]||null}e.__esModule=!0;var c;e.createNativeDragSource=u,e.matchNativeItemType=s;var f=r(7),d=n(f),p=(c={},i(c,d.FILE,{exposeProperty:"files",matchesTypes:["Files"],getData:function(t){return Array.prototype.slice.call(t.files)}}),i(c,d.URL,{exposeProperty:"urls",matchesTypes:["Url","text/uri-list"],getData:function(t,e){return a(t,e,"").split("\n")}}),i(c,d.TEXT,{exposeProperty:"text",matchesTypes:["Text","text/plain"],getData:function(t,e){return a(t,e,"")}}),c)},function(t,e,r){"use strict";function n(t){return t&&t.__esModule?t:{"default":t}}function o(t){var e=t.nodeType===f?t:t.parentElement;if(!e)return null;var r=e.getBoundingClientRect(),n=r.top,o=r.left;return{x:o,y:n}}function i(t){return{x:t.clientX,y:t.clientY}}function a(t,e,r,n){var i="IMG"===e.nodeName&&(u.isFirefox()||!document.documentElement.contains(e)),a=i?t:e,s=o(a),f={x:r.x-s.x,y:r.y-s.y},d=t.offsetWidth,p=t.offsetHeight,h=n.anchorX,l=n.anchorY,g=i?e.width:d,v=i?e.height:p;u.isSafari()&&i?(v/=window.devicePixelRatio,g/=window.devicePixelRatio):u.isFirefox()&&!i&&(v*=window.devicePixelRatio,g*=window.devicePixelRatio);var D=new c["default"]([0,.5,1],[f.x,f.x/d*g,f.x+g-d]),y=new c["default"]([0,.5,1],[f.y,f.y/p*v,f.y+v-p]),m=D.interpolate(h),w=y.interpolate(l);return u.isSafari()&&i&&(w+=(window.devicePixelRatio-1)*v),{x:m,y:w}}e.__esModule=!0,e.getNodeClientOffset=o,e.getEventClientOffset=i,e.getDragPreviewOffset=a;var u=r(11),s=r(18),c=n(s),f=1},function(t,e){"use strict";function r(){return n||(n=new Image,n.src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="),n}e.__esModule=!0,e["default"]=r;var n=void 0;t.exports=e["default"]},function(t,e){"use strict";function r(t,e){if(t===e)return!0;var r=Object.keys(t),n=Object.keys(e);if(r.length!==n.length)return!1;for(var o=Object.prototype.hasOwnProperty,i=0;i=u?a(e):null,p=e.length;d&&(c=i,f=!1,e=d);t:for(;++s=u,d=f?a():null,p=[];d?(n=i,c=!1):(f=!1,d=e?[]:p);t:for(;++r2?r[a-2]:void 0,s=a>2?r[2]:void 0,c=a>1?r[a-1]:void 0;for("function"==typeof u?(u=o(u,c,5),a-=2):(u="function"==typeof c?c:void 0,a-=u?1:0),s&&i(r[0],r[1],s)&&(u=3>a?void 0:u,a=1);++n0;++n