a lot of changes

app/bitwise/expression.js

@@ -1,4 +1,4 @@
-(function(bitwise) {
+(function() {
    var twoOperandsRegex = /^(\d+)(<<|>>|\||\&|\^)(\d+)$/;
 
     app.service('expression', {
@@ -8,8 +8,6 @@
                 return null;
             }
 
-            console.log(matches);
-
             return {
                 string:matches[0],
                 operand1: parseInt(matches[1], 10),