JayData 1.2 using SharePoint Odata provider throws error on MERGE

error message

{
"error": {
"code": "", "message": {
"lang": "en-US", "value": "Error processing request stream. Error encountered in converting the value from request payload for property 'Owshiddenversion' to type 'Int32', which is the property's expected type. See inner exception for more detail."
}
}
}

Fiddler Raw

MERGE https://spirit2013preview-b0204c96e901b7.sharepoint.com/sites/dev/ToDoSPhosted/_vti_bin/listdata.svc/Tasks(1) HTTP/1.1
Host: spirit2013preview-b0204c96e901b7.sharepoint.com
User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:15.0) Gecko/20100101 Firefox/15.0.1
Accept: application/atomsvc+xml;q=0.8, application/json;odata=verbose;q=0.5, */*;q=0.1
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
If-Match: W/"1"
DataServiceVersion: 1.0
Content-Type: application/json; charset=UTF-8;odata=verbose
MaxDataServiceVersion: 2.0
Referer: https://spirit2013preview-b0204c96e901b7.sharepoint.com/sites/dev/ToDoSPhosted/index.html?SPHostUrl=https%3A%2F%2Fspirit2013preview%2Esharepoint%2Ecom%2Fsites%2Fdev&SPLanguage=en%2DUS&SPAppWebUrl=https%3A%2F%2FSpirit2013Preview%2Db0204c96e901b7%2Esharepoint%2Ecom%2Fsites%2Fdev%2FToDoSPhosted
Content-Length: 63
Cookie: rtFa=oywEWNjOH3rj1pfWXeW4AZznRf+Wim50L1wpLjmvPByhcXnKxUVTpsh53dJXA578Se8H9zGPr2/xZmNFoUHUH1aB2vSSNtw+dW1oxRxn7iZdRpLlHDgjUH5Db3zafhwbUb0+IBfkjvrzuRf1a92t6Rcfa1v8IcpFKCVz8anIswIMXDP/0qs9a9sVNbmfjnJTXpGeAc94M4bU96MwxF5qKSs7bv5R6dN/QmBaCwz1kvjZzUUpQ/0qy3/9I6mBkoSwOnQ0TF9LOpxCD4Ka6oNWHWs0mxFYMdSzaXkBX3b1X8WfChj2NJLvjw7mU0kL8xYZl8L/BXweq3io/IH4eUej5ZD7dRQ17YKnCvSBri1KXPEgi2R88iX2pw2VxTm1Z4XjIAAAAA==; FedAuth=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; __utma=123374793.814006519.1348054669.1348054669.1348057852.2; __utmc=123374793; __utmz=123374793.1348057852.2.2.utmcsr=login.microsoftonline.com|utmccn=(referral)|utmcmd=referral|utmcct=/login.srf; WSS_FullScreenMode=false; ASP.NET_SessionId=ua0tlxtdosiisinolfcj5azh; Ribbon.Read=1600459|-1|0|164190597; __utmb=123374793.2.10.1348057852

{"Id":1,"TaskName":"Updated via JayData","Owshiddenversion":""}

ServiceDefinition.js

////////////////////////////////////////////////////////////////////////////////////////
////// Autogenerated by JaySvcUtil.exe http://JayData.org for more info        /////////
//////                             oData v1                                    /////////
////////////////////////////////////////////////////////////////////////////////////////

(function (global, $data, undefined) {




    function registerEdmTypes() {

        function Edm_Boolean() { };
        $data.Container.registerType('Edm.Boolean', Edm_Boolean);
        $data.Container.mapType(Edm_Boolean, $data.Boolean);

        function Edm_Binary() { };
        $data.Container.registerType('Edm.Binary', Edm_Binary);
        $data.Container.mapType(Edm_Binary, $data.Blob);

        function Edm_DateTime() { };
        $data.Container.registerType('Edm.DateTime', Edm_DateTime);
        $data.Container.mapType(Edm_DateTime, $data.Date);

        function Edm_DateTimeOffset() { };
        $data.Container.registerType('Edm.DateTimeOffset', Edm_DateTimeOffset);
        $data.Container.mapType(Edm_DateTimeOffset, $data.Integer);

        function Edm_Time() { };
        $data.Container.registerType('Edm.Time', Edm_Time);
        $data.Container.mapType(Edm_Time, $data.Integer);

        function Edm_Decimal() { };
        $data.Container.registerType('Edm.Decimal', Edm_Decimal);
        $data.Container.mapType(Edm_Decimal, $data.Number);

        function Edm_Single() { };
        $data.Container.registerType('Edm.Single', Edm_Single);
        $data.Container.mapType(Edm_Single, $data.Number);

        function Edm_Double() { };
        $data.Container.registerType('Edm.Double', Edm_Double);
        $data.Container.mapType(Edm_Double, $data.Number);

        function Edm_Guid() { };
        $data.Container.registerType('Edm.Guid', Edm_Guid);
        $data.Container.mapType(Edm_Guid, $data.String);

        function Edm_Int16() { };
        $data.Container.registerType('Edm.Int16', Edm_Int16);
        $data.Container.mapType(Edm_Int16, $data.Integer);

        function Edm_Int32() { };
        $data.Container.registerType('Edm.Int32', Edm_Int32);
        $data.Container.mapType(Edm_Int32, $data.Integer);

        function Edm_Int64() { };
        $data.Container.registerType('Edm.Int64', Edm_Int64);
        $data.Container.mapType(Edm_Int64, $data.Integer);

        function Edm_Byte() { };
        $data.Container.registerType('Edm.Byte', Edm_Byte);
        $data.Container.mapType(Edm_Byte, $data.Integer);

        function Edm_String() { };
        $data.Container.registerType('Edm.String', Edm_String);
        $data.Container.mapType(Edm_String, $data.String);

    };
    registerEdmTypes();
    $data.Entity.extend('MyApp.DataService.AttachmentsItem', {
        'EntitySet': { key: true, type: 'Edm.String', nullable: false, required: true },
        'ItemId': { key: true, type: 'Edm.Int32', nullable: false, required: true },
        'Name': { key: true, type: 'Edm.String', nullable: false, required: true }
    });
    $data.Entity.extend('MyApp.DataService.ComposedLooksItem', {
        'Id': { key: true, type: 'Edm.Int32', nullable: false, required: true },
        'ContentTypeID': { type: 'Edm.String', nullable: true },
        'ContentType': { type: 'Edm.String', nullable: true },
        'Title': { type: 'Edm.String', nullable: true },
        'Modified': { type: 'Edm.DateTime', nullable: true },
        'Created': { type: 'Edm.DateTime', nullable: true },
        'CreatedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'CreatedById': { type: 'Edm.Int32', nullable: true },
        'ModifiedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'ModifiedById': { type: 'Edm.Int32', nullable: true },
        'Owshiddenversion': { type: 'Edm.Int32', nullable: true, concurrencyMode: $data.ConcurrencyMode.Fixed },
        'Version': { type: 'Edm.String', nullable: true },
        'Attachments': { type: 'Array', elementType: 'MyApp.DataService.AttachmentsItem', inverseProperty: '$$unbound' },
        'Path': { type: 'Edm.String', nullable: true },
        'Name': { type: 'Edm.String', nullable: true },
        'MasterPageURL': { type: 'Edm.String', nullable: true },
        'ThemeURL': { type: 'Edm.String', nullable: true },
        'ImageURL': { type: 'Edm.String', nullable: true },
        'FontSchemeURL': { type: 'Edm.String', nullable: true },
        'DisplayOrder': { type: 'Edm.Double', nullable: true }
    });
    $data.Entity.extend('MyApp.DataService.MasterPageGalleryItem', {
        'Id': { key: true, type: 'Edm.Int32', nullable: false, required: true },
        'ContentTypeID': { type: 'Edm.String', nullable: true },
        'ContentType': { type: 'Edm.String', nullable: true },
        'Created': { type: 'Edm.DateTime', nullable: true },
        'CreatedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'CreatedById': { type: 'Edm.Int32', nullable: true },
        'Modified': { type: 'Edm.DateTime', nullable: true },
        'ModifiedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'ModifiedById': { type: 'Edm.Int32', nullable: true },
        'CopySource': { type: 'Edm.String', nullable: true },
        'ApprovalStatus': { type: 'Edm.String', nullable: true },
        'Path': { type: 'Edm.String', nullable: true },
        'CheckedOutTo': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'CheckedOutToId': { type: 'Edm.Int32', nullable: true },
        'Name': { type: 'Edm.String', nullable: true },
        'VirusStatus': { type: 'Edm.String', nullable: true },
        'IsCurrentVersion': { type: 'Edm.Boolean', nullable: true },
        'Owshiddenversion': { type: 'Edm.Int32', nullable: true, concurrencyMode: $data.ConcurrencyMode.Fixed },
        'Version': { type: 'Edm.String', nullable: true },
        'Description': { type: 'Edm.String', nullable: true },
        'CompatibleUIVersionS': { type: 'Array', elementType: 'MyApp.DataService.MasterPageGalleryCompatibleUIVersionSValue', inverseProperty: '$$unbound' },
        'DefaultCSSFile': { type: 'Edm.String', nullable: true },
        'Hidden': { type: 'Edm.Boolean', nullable: true },
        'TargetControlType': { type: 'MyApp.DataService.MasterPageGalleryTargetControlTypeValue', inverseProperty: '$$unbound' },
        'TargetControlTypeValue': { type: 'Edm.String', nullable: true },
        'Icon': { type: 'Edm.String', nullable: true },
        'Standalone': { type: 'MyApp.DataService.MasterPageGalleryStandaloneValue', inverseProperty: '$$unbound' },
        'StandaloneValue': { type: 'Edm.String', nullable: true },
        'TargetScope': { type: 'Edm.String', nullable: true },
        'TargetListTemplateID': { type: 'Edm.String', nullable: true }
    });
    $data.Entity.extend('MyApp.DataService.MasterPageGalleryCompatibleUIVersionSValue', {
        'Value': { key: true, type: 'Edm.String', nullable: false, required: true }
    });
    $data.Entity.extend('MyApp.DataService.MasterPageGalleryStandaloneValue', {
        'Value': { key: true, type: 'Edm.String', nullable: false, required: true }
    });
    $data.Entity.extend('MyApp.DataService.MasterPageGalleryTargetControlTypeValue', {
        'Value': { key: true, type: 'Edm.String', nullable: false, required: true }
    });
    $data.Entity.extend('MyApp.DataService.TasksItem', {
        'Id': { key: true, type: 'Edm.Int32', nullable: false, required: true },
        'ContentTypeID': { type: 'Edm.String', nullable: true },
        'ContentType': { type: 'Edm.String', nullable: true },
        'TaskName': { type: 'Edm.String', nullable: true },
        'Modified': { type: 'Edm.DateTime', nullable: true },
        'Created': { type: 'Edm.DateTime', nullable: true },
        'CreatedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'CreatedById': { type: 'Edm.Int32', nullable: true },
        'ModifiedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'ModifiedById': { type: 'Edm.Int32', nullable: true },
        'Owshiddenversion': { type: 'Edm.Int32', nullable: true, concurrencyMode: $data.ConcurrencyMode.Fixed },
        'Version': { type: 'Edm.String', nullable: true },
        'Attachments': { type: 'Array', elementType: 'MyApp.DataService.AttachmentsItem', inverseProperty: '$$unbound' },
        'Path': { type: 'Edm.String', nullable: true },
        'Predecessors': { type: 'Array', elementType: 'MyApp.DataService.TasksItem', inverseProperty: '$$unbound' },
        'Priority': { type: 'MyApp.DataService.TasksPriorityValue', inverseProperty: '$$unbound' },
        'PriorityValue': { type: 'Edm.String', nullable: true },
        'TaskStatus': { type: 'MyApp.DataService.TasksTaskStatusValue', inverseProperty: '$$unbound' },
        'TaskStatusValue': { type: 'Edm.String', nullable: true },
        'Complete': { type: 'Edm.Double', nullable: true },
        'AssignedTo': { type: 'Array', elementType: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'Description': { type: 'Edm.String', nullable: true },
        'StartDate': { type: 'Edm.DateTime', nullable: true },
        'DueDate': { type: 'Edm.DateTime', nullable: true },
        'Completed': { type: 'Edm.Boolean', nullable: true }
    });
    $data.Entity.extend('MyApp.DataService.TasksPriorityValue', {
        'Value': { key: true, type: 'Edm.String', nullable: false, required: true }
    });
    $data.Entity.extend('MyApp.DataService.TasksTaskStatusValue', {
        'Value': { key: true, type: 'Edm.String', nullable: false, required: true }
    });
    $data.Entity.extend('MyApp.DataService.UserInformationListItem', {
        'ContentTypeID': { type: 'Edm.String', nullable: true },
        'Name': { type: 'Edm.String', nullable: true },
        'Account': { type: 'Edm.String', nullable: true },
        'WorkEmail': { type: 'Edm.String', nullable: true },
        'MobilePhone': { type: 'Edm.String', nullable: true },
        'AboutMe': { type: 'Edm.String', nullable: true },
        'SIPAddress': { type: 'Edm.String', nullable: true },
        'IsSiteAdmin': { type: 'Edm.Boolean', nullable: true },
        'Deleted': { type: 'Edm.Boolean', nullable: true },
        'Hidden': { type: 'Edm.Boolean', nullable: true },
        'Picture': { type: 'Edm.String', nullable: true },
        'Department': { type: 'Edm.String', nullable: true },
        'Title': { type: 'Edm.String', nullable: true },
        'FirstName': { type: 'Edm.String', nullable: true },
        'LastName': { type: 'Edm.String', nullable: true },
        'WorkPhone': { type: 'Edm.String', nullable: true },
        'UserName': { type: 'Edm.String', nullable: true },
        'WebSite': { type: 'Edm.String', nullable: true },
        'AskMeAbout': { type: 'Edm.String', nullable: true },
        'Office': { type: 'Edm.String', nullable: true },
        'Id': { key: true, type: 'Edm.Int32', nullable: false, required: true },
        'ContentType': { type: 'Edm.String', nullable: true },
        'Modified': { type: 'Edm.DateTime', nullable: true },
        'Created': { type: 'Edm.DateTime', nullable: true },
        'CreatedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'CreatedById': { type: 'Edm.Int32', nullable: true },
        'ModifiedBy': { type: 'MyApp.DataService.UserInformationListItem', inverseProperty: '$$unbound' },
        'ModifiedById': { type: 'Edm.Int32', nullable: true },
        'Owshiddenversion': { type: 'Edm.Int32', nullable: true, concurrencyMode: $data.ConcurrencyMode.Fixed },
        'Version': { type: 'Edm.String', nullable: true },
        'Attachments': { type: 'Array', elementType: 'MyApp.DataService.AttachmentsItem', inverseProperty: '$$unbound' },
        'Path': { type: 'Edm.String', nullable: true }
    });
    $data.EntityContext.extend('MyApp.DataContext', {
        Attachments: { type: $data.EntitySet, elementType: MyApp.DataService.AttachmentsItem },
        ComposedLooks: { type: $data.EntitySet, elementType: MyApp.DataService.ComposedLooksItem },
        MasterPageGallery: { type: $data.EntitySet, elementType: MyApp.DataService.MasterPageGalleryItem },
        MasterPageGalleryCompatibleUIVersionS: { type: $data.EntitySet, elementType: MyApp.DataService.MasterPageGalleryCompatibleUIVersionSValue },
        MasterPageGalleryStandalone: { type: $data.EntitySet, elementType: MyApp.DataService.MasterPageGalleryStandaloneValue },
        MasterPageGalleryTargetControlType: { type: $data.EntitySet, elementType: MyApp.DataService.MasterPageGalleryTargetControlTypeValue },
        Tasks: { type: $data.EntitySet, elementType: MyApp.DataService.TasksItem },
        TasksPriority: { type: $data.EntitySet, elementType: MyApp.DataService.TasksPriorityValue },
        TasksTaskStatus: { type: $data.EntitySet, elementType: MyApp.DataService.TasksTaskStatusValue },
        UserInformationList: { type: $data.EntitySet, elementType: MyApp.DataService.UserInformationListItem },
        ConvertListTitleToEntitySetName: $data.EntityContext.generateServiceOperation({
            serviceName: 'ConvertListTitleToEntitySetName', returnType:
              'Edm.String'
        , params: [
        { listTitle: 'Edm.String' }], method: 'GET'
        })
    });

    // MyApp.context = new MyApp.DataContext({ name: 'oData', oDataServiceHost: 'ToDo-SP-Hosted.xml' });


})(window, $data);