0.4.7

• Date/time fixes
  • Add datevec() methods for duration and calendarDuration; add multi-argout form for datetime.datevec(). (#153)
  • Add duration.hms() method.
• Fix table.rowfun() bugs that broke it. (#155)
• Fix the "blank" ctor calling form (table ('Size',sz, 'VariableTypes',types)). (#145)