ENH: support min/max on timedelta64[ns] Series#2990

Merged

jreback merged 2 commits intopandas-dev:masterfrom jreback:timedelta_fixes

Mar 7, 2013

+67-29

Commits on Mar 7, 2013

ENH: support min/max on timedelta64[ns] Series GH pandas-dev#2989
jreback
committed
ENH: optimization on possibily_convert_datetime to only try conversion in certain cases
jreback
committed