removed unused utils methods

lib/utils.js

@@ -23,11 +23,8 @@ var Utils = module.exports = {
 
     return _
   })(),
-  inherit: function(klass, _super) {
-    util.inherits(klass, _super)
-  },
   addEventEmitter: function(_class) {
-    Utils.inherit(_class, require('events').EventEmitter)
+    util.inherits(_class, require('events').EventEmitter)
   },
   addTicks: function(s) {
     return '`' + Utils.removeTicks(s) + '`'
@@ -47,46 +44,6 @@ var Utils = module.exports = {
   isHash: function(obj) {
     return (typeof obj == 'object') && !obj.hasOwnProperty('length')
   },
-  getDataTypeForValue: function(value) {
-    var DataTypes = require("./data-types")
-
-    switch(typeof value) {
-      case 'number':
-        return (value.toString().indexOf('.') > -1) ? DataTypes.FLOAT : DataTypes.INTEGER
-        break
-      case 'boolean':
-        return DataTypes.BOOLEAN
-        break
-      case 'object':
-        return (value.getMilliseconds) ? DataTypes.DATE : "WTF!"
-        break
-      default:
-        return DataTypes.TEXT
-        break
-    }
-  },
-  transformValueByDataType: function(value, dataType) {
-    dataType = dataType || Utils.getDataTypeForValue(value)
-
-    var DataTypes = require("./data-types")
-
-    if((value == null)||(typeof value == 'undefined')||((dataType.indexOf(DataTypes.INTEGER) > -1) && isNaN(value)))
-      return "NULL"
-
-    if(dataType.indexOf(DataTypes.FLOAT) > -1)
-      return (typeof value == 'number') ? value : parseFloat(value.replace(",", "."))
-
-    if(dataType.indexOf(DataTypes.BOOLEAN) > -1)
-      return (value === true ? 1 : 0)
-
-    if(dataType.indexOf(DataTypes.INTEGER) > -1)
-      return value
-
-    if(dataType.indexOf(DataTypes.DATE) > -1)
-      return ("'" + Utils.asSqlDate(value) + "'")
-
-    return ("'" + value + "'")
-  },
   toSqlDate: function(date) {
     return [
       [