Function Get-SvnLogData()
{
    ([xml](svn log -v --xml  'http://svn/trunk')).log.logentry | % {
        $nestedEntry = $_
        $_.paths.path | % {
            $path = $_
            $nestedEntry | Select-Object -Property `
                Author, `
                @{n='Revision'; e={([int]$_.Revision)}}, `
                @{n='Date';     e={Get-Date $_.Date  }}, `
                @{n='Action';   e={$path.action      }}, `
                @{n='Path';     e={$path.InnerText   }}`
        }
    }
}


Get-SvnLogData |
where { $_.Date -ge (Get-Date '16-04-2013') } |
Select-Object  Revision,Date,Path,Author | 
sort -property `
    @{ Expression="Path";     Descending=$false }, `
    @{ Expression="Revision"; Descending=$true  } |
Export-CSV c:\test.csv