diff --git a/README.md b/README.md
index 5f5e96ac..20b7f573 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ mithril.js [![NPM Version](https://img.shields.io/npm/v/mithril.svg)](https://ww
 
 ## What is Mithril?
 
-A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.90 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
+A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.91 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
 
 Mithril is used by companies like Vimeo and Nike, and open source platforms like Lichess 👍.
 
diff --git a/mithril.js b/mithril.js
index 6611f9d9..797783b3 100644
--- a/mithril.js
+++ b/mithril.js
@@ -389,7 +389,7 @@ var _9 = function($window, Promise) {
 	}
 	function deserialize(data) {
 		try {return data !== "" ? JSON.parse(data) : null}
-		catch (e) {throw new Error(data)}
+		catch (e) {throw new Error("Invalid JSON: " + data)}
 	}
 	function extract(xhr) {return xhr.responseText}
 	function cast(type0, data) {
diff --git a/mithril.min.js b/mithril.min.js
index e8c9051b..a571c177 100644
--- a/mithril.min.js
+++ b/mithril.min.js
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-}}function n(c){return c.responseText}function m(c,a){if("function"===typeof c)if(Array.isArray(a))for(var d=0;d<a.length;d++)a[d]=new c(a[d]);else return new c(a);return a}var l=0,C;return{request:function(c,l){var E=e();c=g(c,l);var x=new d(function(d,e){null==c.method&&(c.method="GET");c.method=c.method.toUpperCase();var g="GET"===c.method||"TRACE"===c.method?!1:"boolean"===typeof c.useBody?c.useBody:!0;"function"!==typeof c.serialize&&(c.serialize="undefined"!==typeof FormData&&c.data instanceof
+function(){a++;var g=e.apply(d,arguments);g.then(c,function(d){c();if(0===a)throw d;});return F(g)};return d}}function g(c,a){if("string"===typeof c){var d=c;c=a||{};null==c.url&&(c.url=d)}return c}function q(c,a){if(null==a)return c;for(var d=c.match(/:[^\/]+/gi)||[],e=0;e<d.length;e++){var g=d[e].slice(1);null!=a[g]&&(c=c.replace(d[e],a[g]))}return c}function h(c,a){var d=I(a);if(""!==d){var e=0>c.indexOf("?")?"?":"&";c+=e+d}return c}function k(c){try{return""!==c?JSON.parse(c):null}catch(x){throw Error("Invalid JSON: "+
+c);}}function n(c){return c.responseText}function m(c,a){if("function"===typeof c)if(Array.isArray(a))for(var d=0;d<a.length;d++)a[d]=new c(a[d]);else return new c(a);return a}var l=0,C;return{request:function(c,l){var E=e();c=g(c,l);var x=new d(function(d,e){null==c.method&&(c.method="GET");c.method=c.method.toUpperCase();var g="GET"===c.method||"TRACE"===c.method?!1:"boolean"===typeof c.useBody?c.useBody:!0;"function"!==typeof c.serialize&&(c.serialize="undefined"!==typeof FormData&&c.data instanceof
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