BUG/ENH: guarantee blocks will upcast as needed, and split as needed#3065
Merged
jreback merged 1 commit intopandas-dev:masterfrom Mar 16, 2013 
Merged
BUG/ENH: guarantee blocks will upcast as needed, and split as needed#3065jreback merged 1 commit intopandas-dev:masterfrom 
jreback merged 1 commit intopandas-dev:masterfrom