Squad GetRoster

{} = Squad.GetRoster;
 * Usage

return nil if not in a squad.
 * Return Values

-- { "leader" = "UserName1", "is_mine" = false, "members" = {   1 = {"voip" = true,"chatId" = ,"name" = "UserName1","tier" = 2,        "entityId" = ,"gender" = "male","isTalking" = false,        "battleframe" = "bunker"}    2 = {"voip" = true,"chatId" = ,"name" = "UserName2","tier" = 2,        "entityId" = ,"gender" = "female","isTalking" = false,        "battleframe" = "berzerker"} }, "is_public" = false,} --
 * Examples: