DefaultLimitSpec offset field

[szymeker]

Add offset field:

{
    "type"    : "default",
    "limit"   : <optional integer>,
    "offset"  : <optional integer>,
    "columns" : [<optional list of OrderByColumnSpec>],
}

[abhi-zapr]

Hey @szymeker

Thanks for the contribution. We'll include this patch in next release.

[bhavukgirdhar]

@abhi-zapr When the next patch will be released ?