MaThematics modules
    include/ : header files
    msg/ : error code and message    
    lib/ : library
    mtc/ : MT Client Common
    mtd/ : MT Datatypes
    mtf/ : MT Functions
    mth/ : MT Helper(geometry)
    mtk/ : MT Keyrange
    mtl/ : MT Languages
    mtv/ : MT datatype conVersion
    mts/ : MT Structured datatypes
    mtx/ : MT serial eXecute
    mtz/ : MT Timezone 

