added function to create US states abbreviation
added function to create US states abbreviation

mariansollmann/CM,fvovan/CM,christopheschwyzer/CM,fauvel/CM,fauvel/CM,alexispeter/CM,vogdb/cm,fauvel/CM,tomaszdurka/CM,alexispeter/CM,tomaszdurka/CM,vogdb/cm,mariansollmann/CM,tomaszdurka/CM,cargomedia/CM,vogdb/cm,cargomedia/CM,mariansollmann/CM,njam/CM,fvovan/CM,fauvel/CM,zazabe/cm,njam/CM,fvovan/CM,christopheschwyzer/CM,cargomedia/CM,zazabe/cm,christopheschwyzer/CM,zazabe/cm,cargomedia/CM,christopheschwyzer/CM,vogdb/cm,fauvel/CM,alexispeter/CM,njam/CM,zazabe/cm,mariansollmann/CM,vogdb/cm,njam/CM,tomaszdurka/CM,njam/CM,fvovan/CM,alexispeter/CM,tomaszdurka/CM