BUG: Fixed an issue wherein `_nanmedian_small` would fail for `timedelta64`-based dtypes
BUG: Fixed an issue wherein `_nanmedian_small` would fail for `timedelta64`-based dtypes

simongibbons/numpy,rgommers/numpy,mattip/numpy,pdebuyl/numpy,anntzer/numpy,simongibbons/numpy,mattip/numpy,simongibbons/numpy,mhvk/numpy,simongibbons/numpy,anntzer/numpy,jakirkham/numpy,simongibbons/numpy,anntzer/numpy,endolith/numpy,pdebuyl/numpy,seberg/numpy,numpy/numpy,rgommers/numpy,endolith/numpy,numpy/numpy,mhvk/numpy,seberg/numpy,jakirkham/numpy,numpy/numpy,numpy/numpy,pdebuyl/numpy,charris/numpy,mattip/numpy,anntzer/numpy,jakirkham/numpy,pdebuyl/numpy,mhvk/numpy,seberg/numpy,mattip/numpy,endolith/numpy,charris/numpy,mhvk/numpy,charris/numpy,jakirkham/numpy,jakirkham/numpy,rgommers/numpy,rgommers/numpy,endolith/numpy,charris/numpy,seberg/numpy,mhvk/numpy