Updated symbols

Updated library symbol to (more appropriate) 'μ' and added an alias as
'mu' in case unicode isn't available in an editor for whatever reason

js/tinyDOM.js

@@ -76,7 +76,10 @@
 		}
 	}
 
-	if(!window.π){
-		window.π = tinyDOM;
+	if(!window.μ){
+		window.μ = tinyDOM;
 	}
-})();
\ No newline at end of file
+	if(!window.mu){
+		window.mu = tinyDOM;
+	}
+})();

test.html

@@ -23,14 +23,14 @@
 				functions to do basic things like hide and show.
 			</p>
 			<p>
-				There are two basic types of target for the built in functions: 
-				any number of elements<sup>[1]</sup> and one exactly one element<sup>[2]</sup>. 
+				There are two basic types of target for the built in functions:
+				any number of elements<sup>[1]</sup> and one exactly one element<sup>[2]</sup>.
 				An example of [1] would be hiding all elements with the class 'important' whereas
 				an example of [2] would be getting the value of a given data attribute - it wouldn't
-				make sense to perform the second on a group of elements. 
+				make sense to perform the second on a group of elements.
 			</p>
 			<p>
-				As such, where appopriate, tinyDOM will operate only on the first element if a group 
+				As such, where appopriate, tinyDOM will operate only on the first element if a group
 				are matched by whatever selector is given. Such functions are as follows:
 			</p>
 			<ul>
@@ -41,16 +41,16 @@
 
 	<script type="text/javascript" src="js/tinyDOM.js"></script>
 	<script type="text/javascript">
-	π('#btn-show').on('click', function(){
-		π('.important').show();
+	μ('#btn-show').on('click', function(){
+		μ('.important').show();
 	});
 
-	π('#btn-hide').on('click', function(){
-		π('.important').hide();
+	μ('#btn-hide').on('click', function(){
+		μ('.important').hide();
 	});
 
-	π('h1').on('click', function(){
+	μ('h1').on('click', function(){
 		console.log(this);
 	});
 	</script>
-</html>
\ No newline at end of file
+</html>