Added thanks to Alexander Peterhansl in NEWS.
Added thanks to Alexander Peterhansl in NEWS.

jangorecki/data.table,vlulla/data.table,vlulla/data.table,Rdatatable/data.table,Rdatatable/data.table,vlulla/data.table,vlulla/data.table,jangorecki/data.table,jangorecki/data.table,Rdatatable/data.table,jangorecki/data.table,Rdatatable/data.table