Fixes EvotecIT/PSWriteHTML#241

[jasonrush]

Allows specifying multiple columns to sort by (-DefaultSortOrder Descending,Ascending,Descending), and fixed formatting bugs (-ne - 1 vs -ne -).

I have not tested/verified this code, but believe this is a viable solution/route if nobody has any better suggestions.

[PrzemyslawKlys]

Had to do small improvements and fixed translation from Ascending to asc, descending to dsc.

[PrzemyslawKlys]

Tested with following code:

$PRocess = @(
    [PSCustomObject] @{ PRI = 1; ID =   7; Text = "Placeholder Text" }
    [PSCustomObject] @{ PRI = 1; ID =   5; Text = "Placeholder Text" }
    [PSCustomObject] @{ PRI = 2; ID =   4; Text = "Placeholder Text" }
    [PSCustomObject] @{ PRI = 2; ID =   2; Text = "Placeholder Text" }
    [PSCustomObject] @{ PRI = 3; ID =   1; Text = "Placeholder Text" }
    [PSCustomObject] @{ PRI = 3; ID =   6; Text = "Placeholder Text" }
    [PSCustomObject] @{ PRI = 3; ID =   3; Text = "Placeholder Text" }
)

Dashboard -Name 'Dashimo Test' -FilePath $PSScriptRoot\DashboardEasy01.html -Show {
    Table -DataTable $Process -DefaultSortIndex 2 -ScrollCollapse -HideFooter -Buttons @()

    Table -DataTable $Process -DefaultSortColumn 'PRI' -ScrollCollapse -HideFooter -Buttons @()

    Table -DataTable $Process -DefaultSortColumn 'ID' -DefaultSortOrder Descending -ScrollCollapse -HideFooter -Buttons @()

    Table -DataTable $Process -DefaultSortColumn 'PRI', 'Id' -DefaultSortOrder Descending, Ascending -ScrollCollapse -HideFooter -Buttons @()

    Table -DataTable $Process -DefaultSortColumn 'PRI', 'Id' -DefaultSortOrder Descending, Descending -ScrollCollapse -HideFooter -Buttons @()
} -Online