Merge pull request #78 from lygstate/master

Add bowser test function.

src/bowser.js

@@ -232,6 +232,17 @@
 
   var bowser = detect(typeof navigator !== 'undefined' ? navigator.userAgent : '')
 
+  bowser.test = function (browserList) {
+    for (var i = 0; i < browserList.length; ++i) {
+      var browserItem = browserList[i];
+      if (typeof browserItem=== 'string') {
+        if (browserItem in bowser) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
 
   /*
    * Set our detect method to the main bowser object so we can