add float support

Author: tj

index.js

@@ -39,7 +39,7 @@ Parser.prototype.int = function(){
 };
 
 Parser.prototype.float = function(){
-  var m = /^((\d+)?(\.\d+)(\S+)?) */.exec(this.str);
+  var m = /^(((?:\d+)?\.\d+)(\S+)?) */.exec(this.str);
   if (!m) return;
   this.skip(m);
   var n = parseFloat(m[2]);

test/cases/numbers.js

@@ -7,6 +7,6 @@ exports.object = [
   { type: 'number', string: '0', unit: '', value: 0 },
   { type: 'number', string: '5%', unit: '%', value: 5 },
   { type: 'number', string: '.5px', unit: 'px', value: .5 },
-  { type: 'number', string: '.1', unit: '', value: .1 },
+  { type: 'number', string: '.10', unit: '', value: .1 },
   { type: 'number', string: '1.5', unit: '', value: 1.5 }
 ];