added documentation of createTable method

lib/dialects/query-generator.js

@@ -2,7 +2,14 @@ module.exports = (function() {
   var QueryGenerator = {
   var QueryGenerator = {
     /*
     /*
       Returns a query for creating a table.
       Returns a query for creating a table.
-      Attributes should have the format: {attributeName: type, attr2: type2} --> {title: 'VARCHAR(255)'}
+      Parameters:
+        - tableName: Name of the new table.
+        - attributes: An object with containing attribute-attributeType-pairs.
+                      Attributes should have the format:
+                      {attributeName: type, attr2: type2}
+                      --> e.g. {title: 'VARCHAR(255)'}
+        - options: An object with options.
+                   Defaults: { engine: 'InnoDB', charset: null }
     */
     */
     createTableQuery: function(tableName, attributes, options) {
     createTableQuery: function(tableName, attributes, options) {
       throwMethodUndefined('createTableQuery')
       throwMethodUndefined('createTableQuery')