diff --git a/lib/zest.js b/lib/zest.js
index fb87012..1fe24c6 100644
--- a/lib/zest.js
+++ b/lib/zest.js
@@ -18,8 +18,8 @@
 var window = this
   , document = this.document
   , old = this.zest
-  , subject
-  , context;
+  , context = document
+  , subject;
 
 /**
  * Helpers
@@ -393,15 +393,15 @@ var selectors = {
   ':hover': function(el) {
     throw new Error(':hover is not supported.');
   },
+  ':active': function(el) {
+    throw new Error(':active is not supported.');
+  },
   ':link': function(el) {
     throw new Error(':link is not supported.');
   },
   ':visited': function(el) {
     throw new Error(':visited is not supported.');
   },
-  ':active': function(el) {
-    throw new Error(':active is not supported.');
-  },
   ':column': function() {
     throw new Error(':column is not supported.');
   },
@@ -646,7 +646,6 @@ var compile = function(sel) {
     }
 
     filter.push(comb(makeSimple(buff)));
-
     buff = [];
   }
 
@@ -701,7 +700,7 @@ var compileGroup = function(sel) {
  * Selection
  */
 
-var select = function(sel) {
+var find = function(sel) {
   var results = []
     , test = compile(sel)
     , scope = context.getElementsByTagName(test.qname)
@@ -711,7 +710,7 @@ var select = function(sel) {
     , l
     , last;
 
-  if (subject) {
+  if (subject === true) {
     while (el = scope[i++]) {
       if (test(el) && subject !== last) {
         results.push(subject);
@@ -727,7 +726,7 @@ var select = function(sel) {
   subject = null;
 
   if (test.sel) {
-    res = select(test.sel);
+    res = find(test.sel);
     l = res.length;
     i = 0;
 
@@ -745,13 +744,7 @@ var select = function(sel) {
  * Compatibility
  */
 
-select = (function() {
-  var _select = select;
-
-  if (window.ZEST_DEBUG) {
-    return _select;
-  }
-
+var select = (function() {
   var slice = (function() {
     try {
       Array.prototype.slice.call(document.getElementsByTagName('*'));
@@ -771,7 +764,7 @@ select = (function() {
       try {
         return slice.call(context.querySelectorAll(sel));
       } catch(e) {
-        return _select(sel);
+        return find(sel);
       }
     };
   }
@@ -791,7 +784,7 @@ select = (function() {
     } catch(e) {
       ;
     }
-    return _select(sel);
+    return find(sel);
   };
 })();
 
@@ -809,8 +802,8 @@ if (function() {
  * Zest
  */
 
-var zest = function(sel, context_) {
-  context = context_ || document;
+var zest = function(sel, con) {
+  context = con || document;
 
   try {
     sel = select(sel);
@@ -821,7 +814,7 @@ var zest = function(sel, context_) {
     sel = [];
   }
 
-  context = null;
+  context = document;
 
   return sel;
 };
@@ -840,7 +833,7 @@ zest.matches = function(el, sel) {
 };
 
 zest.cache = function() {
-  if (zest._cache) return;
+  if (compile.raw) return;
 
   var raw = compile
     , cache = {};
@@ -854,14 +847,26 @@ zest.cache = function() {
   zest._cache = cache;
 };
 
+zest.noCache = function() {
+  if (!compile.raw) return;
+  compile = compile.raw;
+  delete zest._cache;
+};
+
 zest.noConflict = function() {
   window.zest = old;
   return zest;
 };
 
+zest.noNative = function() {
+  select = find;
+};
+
 window.zest = zest;
 
-if (!window.ZEST_DEBUG) {
+if (window.ZEST_DEBUG) {
+  zest.noNative();
+} else {
   zest.cache();
 }