Allow pluralized time units in uptodate_index()
Allow pluralized time units in uptodate_index()

sociateru/fabtools,n0n0x/fabtools-python,wagigi/fabtools-python,bitmonk/fabtools,AMOSoft/fabtools,badele/fabtools,prologic/fabtools,pombredanne/fabtools,ronnix/fabtools,davidcaste/fabtools,fabtools/fabtools,hagai26/fabtools,ahnjungho/fabtools