diff --git a/ObjectiveCCodeGenerator.py b/ObjectiveCCodeGenerator.py
index e28d2ca..ae52304 100755
--- a/ObjectiveCCodeGenerator.py
+++ b/ObjectiveCCodeGenerator.py
@@ -22,7 +22,7 @@
 THE SOFTWARE.
 '''
 
-import datetime, time, os
+import datetime, time, os, re
 
 class ObjectiveCCodeGenerator :
 
@@ -51,7 +51,7 @@ def getSourceDescriptionString(self, name) :
         return mDescriptionString
     
     def makeVarName(self,schemeObj) :
-        returnName = schemeObj.type_name
+        returnName = re.sub('[,.-]', '_', schemeObj.type_name)
         if str(schemeObj.type_name) == "id" or str(schemeObj.type_name) == "description" :
             titleName = schemeObj.type_name.upper()
             titleName = titleName[:1] + schemeObj.type_name[1:]
@@ -701,6 +701,8 @@ def getNaturalTypeGetterFromDictionaryCode(self, schemeObj, className, varName,
             dateObjSubType = schemeObj.getSubType()
             if len(dateObjSubType) and dateObjSubType[0] == str("ms") :
                 resultString += firstIndent + className + varName + " = [" + self.projectPrefix + "APIParser dateWithMilliSecondsTimeIntervalFromResponseDictionary:" + dicName + " forKey:@\"" + keyName + "\" acceptNil:"
+            elif len(dateObjSubType) and dateObjSubType[0] == str("iso8601") :
+                resultString += firstIndent + className + varName + " = [" + self.projectPrefix + "APIParser dateFromResponseDictionary:" + dicName + " forKey:@\"" + keyName + "\" acceptNil:"
             else :
                 resultString += firstIndent + className + varName + " = [" + self.projectPrefix + "APIParser dateWithTimeIntervalFromResponseDictionary:" + dicName + " forKey:@\"" + keyName + "\" acceptNil:"
         elif schemeBaseType == "data" :
@@ -1015,14 +1017,14 @@ def writeAPIParser(self) :
         finally :
             implDstFile.close()
 
-    def writeTemplates(self) :
+    def writeTemplates(self, templatePath) :
 
-        if self.dirPath.endswith("/") :
-            self.dirPath = self.dirPath[:-1]
-        baseDirPath = self.dirPath
-        self.dirPath = baseDirPath + "/Utilities/NSString"
+        if templatePath.endswith("/") :
+            templatePath = templatePath[:-1]
+        
+        self.dirPath = templatePath + "/NSString"
         self.writeNSStringCategory()
-        self.dirPath = baseDirPath + "/Utilities/APIParser"
+        self.dirPath = templatePath + "/APIParser"
         self.writeAPIParser()
 
 
diff --git a/doc/MetaJSONProtocol.md b/doc/MetaJSONProtocol.md
index a7a75e9..44c5e47 100644
--- a/doc/MetaJSONProtocol.md
+++ b/doc/MetaJSONProtocol.md
@@ -60,11 +60,19 @@ You can also use just one of those ("minValue" or "maxValue").
 	"description" : string
 	"minValue" : UTC time interval since 1970
 	"maxValue" : UTC time interval since 1970
-}
+},
+{
+	"name" : "myISO8601Date",
+	"base-type" : "date",
+	"subType" : "iso8601",
+	"description" : string
+	"minValue" : UTC time interval since 1970
+	"maxValue" : UTC time interval since 1970
+},
 ```
 	
 * The value of myDate should be always UTC time interval since 1970.
-* "subType" is optional, to specify wheather it's millisecond based timestamp or second based timestamp.
+* "subType" is optional, to specify wheather it's millisecond based timestamp, a second based timestamp or an ISO 8601 timestamp.
 * If "subType" is specified as "ms", "minValue" and "maxValue" should be used like "1382455623.098"
 * "minValue" and "maxValue" are optional, to validate this type.
 * "maxValue" should be always same or later than "minValue".
diff --git a/readJSON.py b/readJSON.py
index eba084b..5448e47 100755
--- a/readJSON.py
+++ b/readJSON.py
@@ -39,21 +39,23 @@
 projectPrefix = ''
 target = 'iOS'
 dirPathToSaveCodes = './src'
+dirPathToSaveUtility = ''
 objectSuffix = "JSONObject"
 
-usageString = '\nreadJSON.py [ -p | -t | -o | -s ] [-i]\n'
+usageString = '\nreadJSON.py [ -p | -t | -o | -s | -u ] [-i]\n'
 usageString += 'Options:\n'
 usageString += '  -h, --help            shows help\n'
 usageString += '  -p, --prefix=         project prefix (default: S2M)\n'
 usageString += '  -s, --suffix=         classname suffix (default: JSONObject). Use "-s false" for no suffix\n'
 usageString += '  -t, --target=         target platform iOS or Android (default: iOS)\n'
-usageString += '  -i, --input=          meta-JSON file to read\n'
 usageString += '  -o, --output=         ouput path of generated source codes\n'
+usageString += '  -u, --utility=        ouput path of generated Utility codes. Use "-u false" for no utility\n'
+usageString += '  -i, --input=          meta-JSON file to read\n'
 
 if __name__ == "__main__":
     argv = sys.argv[1:]
     try:
-        opts, args = getopt.getopt(argv,"ho:p:s:t:i:",["prefix=","suffix=","target=","input=","output="])
+        opts, args = getopt.getopt(argv,"ho:p:s:t:i:u:",["prefix=","suffix=","target=","input=","output=","utility="])
     except getopt.GetoptError:
         print usageString
         sys.exit(2)
@@ -74,7 +76,20 @@
             objectSuffix = arg
             if objectSuffix == "false":
                 objectSuffix = ""
+        elif opt in ("-u", "--utility"):
+            dirPathToSaveUtility = arg
+
+    
+
+    if dirPathToSaveUtility == "":
+        tmpSourcePath = dirPathToSaveCodes
+        if tmpSourcePath.endswith("/") :
+            tmpSourcePath = tmpSourcePath[:-1]
+        dirPathToSaveUtility = tmpSourcePath + "/Utility"
 
+    elif dirPathToSaveUtility == "false":
+        dirPathToSaveUtility = "";
+    
     addFiles = False
     for arg in argv :
         if arg.endswith(inputfile) :
@@ -142,7 +157,8 @@ def openFileAndParseJSON(filePath):
     templateCodeGen.templatePath = templatePath
     templateCodeGen.projectPrefix = projectPrefix
     templateCodeGen.dirPath = dirPathToSaveCodes
-    templateCodeGen.writeTemplates()
+    if len(dirPathToSaveUtility) != 0 :
+        templateCodeGen.writeTemplates(dirPathToSaveUtility)
 
 JSONScheme.projectPrefix = projectPrefix
 JSONScheme.objectSuffix = objectSuffix