code: function getProperty(objNode, name) {
      for (var i=0; i<objNode.properties.length; i++) {
          if (getKey(objNode.properties[i]) === name) {
              return getValue(objNode.properties[i]);
          }
      }
  }
docs: Returns a value of property by name from
  given object literal AST node
  
  @param {Object} objNode an AST node of an object literal
  (node.type is assumed to be equal to "ObjectExpression")
  @param {String} name a name of a property to return